Index: apps/gui/gwps-common.c
===================================================================
--- apps/gui/gwps-common.c	(revision 18997)
+++ apps/gui/gwps-common.c	(working copy)
@@ -1575,6 +1575,16 @@
                 *buf++ = 0;
                 cur_align_start = buf;
                 break;
+#ifdef HAVE_LCD_BITMAP
+            case WPS_VIEWPORT_BACKDROP:
+            {
+                struct screen *display = gwps->display;
+                int n = data->tokens[i].value.i & 0xFF;
+				struct bitmap *bm = &(data->img[n].bm);
+                display->set_viewport_backdrop(bm);
+            }
+                break;
+#endif
             case WPS_VIEWPORT_ENABLE:
             {
                 char label = data->tokens[i].value.i;
Index: apps/gui/gwps.h
===================================================================
--- apps/gui/gwps.h	(revision 18997)
+++ apps/gui/gwps.h	(working copy)
@@ -292,6 +292,7 @@
 #endif
 
     /* Viewport display */
+    WPS_VIEWPORT_BACKDROP,
     WPS_VIEWPORT_ENABLE,
 
     /* buttons */
Index: apps/gui/viewport.c
===================================================================
--- apps/gui/viewport.c	(revision 18997)
+++ apps/gui/viewport.c	(working copy)
@@ -55,6 +55,7 @@
 #ifdef HAVE_LCD_BITMAP
     vp->drawmode = DRMODE_SOLID;
     vp->font = FONT_UI; /* default to UI to discourage SYSFONT use */
+    vp->bg = 0;
 #endif
 
 #ifdef HAVE_REMOTE_LCD
Index: apps/gui/wps_debug.c
===================================================================
--- apps/gui/wps_debug.c	(revision 18997)
+++ apps/gui/wps_debug.c	(working copy)
@@ -427,6 +427,10 @@
             snprintf(buf, bufsize, "pitch value");
             break;
 #endif
+        case WPS_VIEWPORT_BACKDROP:
+            snprintf(buf, bufsize, "backdrop VP:%d",
+                     token->value.i);
+            break;
         case WPS_VIEWPORT_ENABLE:
             snprintf(buf, bufsize, "enable VP:%d",
                      token->value.i);
Index: apps/gui/wps_parser.c
===================================================================
--- apps/gui/wps_parser.c	(revision 18997)
+++ apps/gui/wps_parser.c	(working copy)
@@ -139,6 +139,8 @@
         struct wps_token *token, struct wps_data *wps_data);
 
 #ifdef HAVE_LCD_BITMAP
+static int parse_viewport_backdrop(const char *wps_bufptr,
+        struct wps_token *token, struct wps_data *wps_data);
 static int parse_viewport_display(const char *wps_bufptr,
         struct wps_token *token, struct wps_data *wps_data);
 static int parse_viewport(const char *wps_bufptr,
@@ -333,6 +335,8 @@
                                                 parse_albumart_conditional },
 #endif
 
+    { WPS_VIEWPORT_BACKDROP,              "VX",  WPS_REFRESH_DYNAMIC, 
+                                                    parse_viewport_backdrop },
     { WPS_VIEWPORT_ENABLE,                "Vd",  WPS_REFRESH_DYNAMIC, 
                                                     parse_viewport_display },
     { WPS_NO_TOKEN,                       "V",   0,    parse_viewport      },
@@ -557,6 +561,24 @@
     return skip_end_of_line(wps_bufptr);
 }
 
+static int parse_viewport_backdrop(const char *wps_bufptr,
+                                  struct wps_token *token,
+                                  struct wps_data *wps_data)
+{
+    (void)wps_data;
+    char letter = wps_bufptr[0];
+
+    token->value.i = get_image_id(letter);
+
+    if (token->value.i == -1)
+    {
+        /* invalid viewport tag */
+        return WPS_ERROR_INVALID_PARAM;
+    }
+
+    return 1;
+}
+
 static int parse_viewport_display(const char *wps_bufptr,
                                   struct wps_token *token,
                                   struct wps_data *wps_data)
Index: apps/plugins/test_viewports.c
===================================================================
--- apps/plugins/test_viewports.c	(revision 18997)
+++ apps/plugins/test_viewports.c	(working copy)
@@ -48,6 +48,7 @@
 #if LCD_DEPTH > 1
     .fg_pattern = LCD_DEFAULT_FG,
     .bg_pattern = BGCOLOR_1,
+    .fb         = 0,
 #endif
 #ifdef HAVE_LCD_COLOR
     .lss_pattern = LCD_DEFAULT_BG,
@@ -67,6 +68,7 @@
 #if LCD_DEPTH > 1
     .fg_pattern = LCD_DEFAULT_FG,
     .bg_pattern = LCD_DEFAULT_BG,
+    .fb         = 0,
 #ifdef HAVE_LCD_COLOR
     .lss_pattern = LCD_DEFAULT_BG,
     .lse_pattern = LCD_DEFAULT_BG,
@@ -86,6 +88,7 @@
 #if LCD_DEPTH > 1
     .fg_pattern = FGCOLOR_1,
     .bg_pattern = BGCOLOR_2,
+    .fb         = 0,
 #ifdef HAVE_LCD_COLOR
     .lss_pattern = LCD_DEFAULT_BG,
     .lse_pattern = LCD_DEFAULT_BG,
@@ -106,6 +109,7 @@
 #if LCD_DEPTH > 1
     .fg_pattern = LCD_BLACK,
     .bg_pattern = LCD_WHITE,
+    .fb         = 0,
 #ifdef HAVE_LCD_COLOR
     .lss_pattern = LCD_DEFAULT_BG,
     .lse_pattern = LCD_DEFAULT_BG,
@@ -127,6 +131,7 @@
 #if LCD_REMOTE_DEPTH > 1
     .fg_pattern = LCD_REMOTE_BLACK,
     .bg_pattern = LCD_REMOTE_LIGHTGRAY,
+    .fb         = 0,
 #endif
 };
 
@@ -141,6 +146,7 @@
 #if LCD_REMOTE_DEPTH > 1
     .fg_pattern = LCD_REMOTE_DEFAULT_FG,
     .bg_pattern = LCD_REMOTE_DEFAULT_BG
+    .fb         = 0,
 #endif
 };
 
Index: apps/screen_access.c
===================================================================
--- apps/screen_access.c	(revision 18997)
+++ apps/screen_access.c	(working copy)
@@ -127,6 +127,7 @@
         .getheight=&lcd_getheight,
         .getstringsize=&lcd_getstringsize,
 #ifdef HAVE_LCD_BITMAP
+        .set_viewport_backdrop=&lcd_set_viewport_backdrop,
         .setfont=&lcd_setfont,
         .getfont=&lcd_getfont,
         .mono_bitmap=&lcd_mono_bitmap,
@@ -218,6 +219,7 @@
         .getheight=&lcd_remote_getheight,
         .getstringsize=&lcd_remote_getstringsize,
 #if 1 /* all remote LCDs are bitmapped so far */
+        .set_viewport_backdrop=&lcd_set_viewport_backdrop,
         .setfont=&lcd_remote_setfont,
         .getfont=&lcd_remote_getfont,
         .mono_bitmap=&lcd_remote_mono_bitmap,
Index: apps/screen_access.h
===================================================================
--- apps/screen_access.h	(revision 18997)
+++ apps/screen_access.h	(working copy)
@@ -78,6 +78,7 @@
     int (*getheight)(void);
     int (*getstringsize)(const unsigned char *str, int *w, int *h);
 #if defined(HAVE_LCD_BITMAP) || defined(HAVE_REMOTE_LCD) /* always bitmap */
+    void (*set_viewport_backdrop)(struct bitmap *bg);
     void (*setfont)(int newfont);
     int (*getfont)(void);
 
Index: firmware/drivers/lcd-16bit.c
===================================================================
--- firmware/drivers/lcd-16bit.c	(revision 18997)
+++ firmware/drivers/lcd-16bit.c	(working copy)
@@ -40,7 +40,8 @@
 enum fill_opt {
     OPT_NONE = 0,
     OPT_SET,
-    OPT_COPY
+    OPT_COPY,
+    OPT_SKIP
 };
 
 /*** globals ***/
@@ -63,6 +64,7 @@
     .height   = LCD_HEIGHT,
     .font     = FONT_SYSFIXED,
     .drawmode = DRMODE_SOLID,
+    .bg       = 0,
     .fg_pattern = LCD_DEFAULT_FG,
     .bg_pattern = LCD_DEFAULT_BG,
     .lss_pattern = LCD_DEFAULT_BG,
@@ -107,6 +109,11 @@
 
 /*** Viewports ***/
 
+void lcd_set_viewport_backdrop(struct bitmap *bg) 
+{
+    current_vp->bg = bg;
+}
+
 void lcd_set_viewport(struct viewport* vp)
 {
     if (vp == NULL)
@@ -268,6 +275,63 @@
 
 /*** drawing functions ***/
 
+static void draw_viewport_backdrop(struct bitmap *bm)
+{
+    if (bm)
+    {
+        int old_drawmode = current_vp->drawmode;
+
+        current_vp->drawmode = DRMODE_SOLID; /* we may want DRMODE_FG */
+
+        /* --- */
+        int width  = bm->width;
+        int height = bm->height;
+
+        /* clamp the bitmap's width and height to the viewport */
+        if ( width > current_vp->width )
+        {
+            width = current_vp->width;
+        }
+    
+        if ( height > current_vp->height )
+        {
+            height = current_vp->height;
+        }
+
+        /* draw the image */
+        if(bm->format == FORMAT_MONO) 
+        {
+            lcd_mono_bitmap_part(bm->data, 
+                                 0, 0, 
+                                 bm->width,
+                                 current_vp->x, current_vp->y,
+                                 width, height);
+        }
+        else
+        {
+            if (current_vp->drawmode == DRMODE_FG)
+            {
+                lcd_bitmap_transparent_part((fb_data *)bm->data, 
+                                             0, 0, 
+                                             bm->width, 
+                                             current_vp->x, current_vp->y,
+                                             width, height);
+
+            }
+            else
+            {
+                lcd_bitmap_part((fb_data *)bm->data, 
+                                0, 0, 
+                                bm->width, 
+                                current_vp->x, current_vp->y,
+                                width, height);
+            }
+        }
+
+        current_vp->drawmode = old_drawmode;
+    }
+}
+
 /* Clear the current viewport */
 void lcd_clear_viewport(void)
 {
@@ -289,12 +353,16 @@
     {
         if (!lcd_backdrop)
         {
-            do
+            if (current_vp == &default_vp
+             || current_vp->bg_pattern != TRANSPARENT_COLOR)
             {
-                memset16(dst, current_vp->bg_pattern, current_vp->width);
-                dst += LCD_WIDTH;
+                do
+                {
+                    memset16(dst, current_vp->bg_pattern, current_vp->width);
+                    dst += LCD_WIDTH;
+                }
+                while (dst < dst_end);
             }
-            while (dst < dst_end);
         }
         else
         {
@@ -308,6 +376,9 @@
         }
     }
 
+    /* overwrite with the viewport's backdrop */
+    draw_viewport_backdrop(current_vp->bg);
+
     if (current_vp == &default_vp)
     {
         lcd_scroll_info.lines = 0;
@@ -462,8 +533,16 @@
         {
             if (!lcd_backdrop)
             {
-                fillopt = OPT_SET;
-                bits = current_vp->bg_pattern;
+                if (current_vp == &default_vp
+                 || current_vp->bg_pattern != TRANSPARENT_COLOR)
+                {
+                    fillopt = OPT_SET;
+                    bits = current_vp->bg_pattern;
+                }
+                else
+                {
+                    fillopt = OPT_SKIP;
+                }
             }
             else
                 fillopt = OPT_COPY;
@@ -481,6 +560,10 @@
 
     switch (fillopt)
     {
+      case OPT_SKIP:
+        /* - do nothing - */
+        break;
+
       case OPT_SET:
         memset16(dst, bits, width);
         break;
@@ -497,6 +580,9 @@
         while (dst < dst_end);
         break;
     }
+
+    /* overwrite with the viewport's backdrop */
+    draw_viewport_backdrop(current_vp->bg);
 }
 
 /* Draw a vertical line (optimised) */
@@ -587,8 +673,16 @@
         {
             if (!lcd_backdrop)
             {
-                fillopt = OPT_SET;
-                bits = current_vp->bg_pattern;
+                if (current_vp == &default_vp
+                 || current_vp->bg_pattern != TRANSPARENT_COLOR)
+                {
+                    fillopt = OPT_SET;
+                    bits = current_vp->bg_pattern;
+                }
+                else
+                {
+                    fillopt = OPT_SKIP;
+                }
             }
             else
                 fillopt = OPT_COPY;
@@ -611,6 +705,10 @@
 
         switch (fillopt)
         {
+          case OPT_SKIP:
+            /* - do nothing - */
+            break;
+
           case OPT_SET:
             memset16(dst, bits, width);
             break;
@@ -631,6 +729,9 @@
         dst += LCD_WIDTH;
     }
     while (dst < dst_end);
+
+    /* overwrite with the viewport's backdrop */
+    draw_viewport_backdrop(current_vp->bg);
 }
 
 /* Fill a rectangle with a gradient */
@@ -901,6 +1002,14 @@
 
     ucs = bidi_l2v(str, 1);
 
+    /* set drawmode to FG if there's a backdrop for this viewport */
+    int old_drawmode = current_vp->drawmode;
+
+    if (current_vp->bg)
+    {
+        current_vp->drawmode = DRMODE_FG;
+    }
+
     while ((ch = *ucs++) != 0 && x < current_vp->width)
     {
         int width;
@@ -922,6 +1031,8 @@
         x += width - ofs;
         ofs = 0;
     }
+
+    current_vp->drawmode = old_drawmode;
 }
 
 /* put a string at a given pixel position */
@@ -995,7 +1106,9 @@
         current_vp->drawmode = (style & STYLE_INVERT) ?
         (DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID;
     }
+
     lcd_putsxyofs(xpos, ypos, offset, str);
+
     current_vp->drawmode = lastmode;
     current_vp->fg_pattern = oldfgcolor;
     current_vp->bg_pattern = oldbgcolor;
@@ -1165,7 +1278,9 @@
                 current_vp->drawmode = DRMODE_SOLID;
                 break;
         }
+
         lcd_putsxyofs(xpos, ypos, s->offset, s->line);
+
         current_vp->drawmode = lastmode;
         current_vp->fg_pattern = old_fgcolor;
         current_vp->bg_pattern = old_bgcolor;
Index: firmware/drivers/lcd-1bit-vert.c
===================================================================
--- firmware/drivers/lcd-1bit-vert.c	(revision 18997)
+++ firmware/drivers/lcd-1bit-vert.c	(working copy)
@@ -58,12 +58,22 @@
     .height   = LCDM(HEIGHT),
     .font     = FONT_SYSFIXED,
     .drawmode = DRMODE_SOLID,
+#ifdef HAVE_LCD_BITMAP
+	.bg       = 0,
+#endif
 };
 
 static struct viewport* current_vp = &default_vp;
 
 /*** Viewports ***/
 
+#ifdef HAVE_LCD_BITMAP
+void LCDFN(set_viewport_backdrop)(struct bitmap *bg)
+{
+	current_vp->bg = bg;
+}
+#endif
+
 void LCDFN(set_viewport)(struct viewport* vp)
 {
     if (vp == NULL)
Index: firmware/drivers/lcd-2bit-horz.c
===================================================================
--- firmware/drivers/lcd-2bit-horz.c	(revision 18997)
+++ firmware/drivers/lcd-2bit-horz.c	(working copy)
@@ -56,6 +56,9 @@
     .height   = LCD_HEIGHT,
     .font     = FONT_SYSFIXED,
     .drawmode = DRMODE_SOLID,
+#ifdef HAVE_LCD_BITMAP
+    .bg       = 0,
+#endif
     .fg_pattern = LCD_DEFAULT_FG,
     .bg_pattern = LCD_DEFAULT_BG
 };
@@ -78,6 +81,13 @@
 
 /*** Viewports ***/
 
+#ifdef HAVE_LCD_BITMAP
+void lcd_set_viewport_backdrop(struct bitmap *bg)
+{
+	current_vp->bg = bg;
+}
+#endif
+
 void lcd_set_viewport(struct viewport* vp)
 {
     if (vp == NULL)
Index: firmware/drivers/lcd-2bit-vert.c
===================================================================
--- firmware/drivers/lcd-2bit-vert.c	(revision 18997)
+++ firmware/drivers/lcd-2bit-vert.c	(working copy)
@@ -58,6 +58,9 @@
     .height   = LCD_HEIGHT,
     .font     = FONT_SYSFIXED,
     .drawmode = DRMODE_SOLID,
+#ifdef HAVE_LCD_BITMAP
+    .bg       = 0,
+#endif
     .fg_pattern = LCD_DEFAULT_FG,
     .bg_pattern = LCD_DEFAULT_BG
 };
@@ -80,6 +83,13 @@
 
 /*** Viewports ***/
 
+#ifdef HAVE_LCD_BITMAP
+void lcd_set_viewport_backdrop(struct bitmap *bg)
+{
+    lcd_set_backdrop( current_vp->fb );
+}
+#endif
+
 void lcd_set_viewport(struct viewport* vp)
 {
     if (vp == NULL)
Index: firmware/drivers/lcd-2bit-vi.c
===================================================================
--- firmware/drivers/lcd-2bit-vi.c	(revision 18997)
+++ firmware/drivers/lcd-2bit-vi.c	(working copy)
@@ -62,6 +62,9 @@
     .height   = LCDM(HEIGHT),
     .font     = FONT_SYSFIXED,
     .drawmode = DRMODE_SOLID,
+#ifdef HAVE_LCD_BITMAP
+    .bg       = 0,
+#endif
     .fg_pattern = LCDM(DEFAULT_FG),
     .bg_pattern = LCDM(DEFAULT_BG)
 };
@@ -73,6 +76,13 @@
 
 /*** Viewports ***/
 
+#ifdef HAVE_LCD_BITMAP
+void LCDFN(set_viewport_backdrop)(struct bitmap *bg)
+{
+    current_vp->bg = bg;
+}
+#endif
+
 void LCDFN(set_viewport)(struct viewport* vp)
 {
     if (vp == NULL)
Index: firmware/export/lcd.h
===================================================================
--- firmware/export/lcd.h	(revision 18997)
+++ firmware/export/lcd.h	(working copy)
@@ -26,26 +26,6 @@
 #include "cpu.h"
 #include "config.h"
 
-struct viewport {
-    int x;
-    int y;
-    int width;
-    int height;
-#ifdef HAVE_LCD_BITMAP
-    int font;
-    int drawmode;
-#endif
-#if LCD_DEPTH > 1
-    unsigned fg_pattern;
-    unsigned bg_pattern;
-#ifdef HAVE_LCD_COLOR
-    unsigned lss_pattern;
-    unsigned lse_pattern;
-    unsigned lst_pattern;
-#endif
-#endif
-};
-
 #define STYLE_DEFAULT    0x00000000
 #define STYLE_COLORED    0x10000000
 #define STYLE_INVERT     0x20000000
@@ -88,6 +68,27 @@
 typedef unsigned char fb_data;
 #endif
 
+struct viewport {
+    int x;
+    int y;
+    int width;
+    int height;
+#ifdef HAVE_LCD_BITMAP
+    int font;
+    int drawmode;
+	struct bitmap *bg;
+#endif
+#if LCD_DEPTH > 1
+    unsigned fg_pattern;
+    unsigned bg_pattern;
+#ifdef HAVE_LCD_COLOR
+    unsigned lss_pattern;
+    unsigned lse_pattern;
+    unsigned lst_pattern;
+#endif
+#endif
+};
+
 /* common functions */
 extern void lcd_write_command(int byte);
 extern void lcd_write_command_e(int cmd, int data);
@@ -109,6 +110,7 @@
 extern int  lcd_getheight(void);
 extern int  lcd_getstringsize(const unsigned char *str, int *w, int *h);
 
+extern void lcd_set_viewport_backdrop(struct bitmap *bg);
 extern void lcd_set_viewport(struct viewport* vp);
 extern void lcd_update(void);
 extern void lcd_update_viewport(void);
Index: utils/wpseditor/libwps/src/api.c
===================================================================
--- utils/wpseditor/libwps/src/api.c	(revision 18997)
+++ utils/wpseditor/libwps/src/api.c	(working copy)
@@ -173,6 +173,8 @@
 void test_api(struct proxy_api *api) {
     if (!api->stop_scroll)
         api->stop_scroll=stop_scroll;
+    if (!api->set_viewport_backdrop)
+        api->set_viewport_backdrop=lcd_set_viewport_backdrop;
     if (!api->set_viewport)
         api->set_viewport=lcd_set_viewport;
     if (!api->clear_viewport)
@@ -228,6 +230,8 @@
     if (api->stop_scroll)
         screens[0].stop_scroll=api->stop_scroll;
     screens[0].scroll_stop = lcd_scroll_stop;
+    if (api->set_viewport_backdrop)
+        screens[0].set_viewport_backdrop=api->set_viewport_backdrop;
     if (api->set_viewport)
         screens[0].set_viewport=api->set_viewport;
     if (api->clear_viewport)
Index: utils/wpseditor/libwps/src/api.h
===================================================================
--- utils/wpseditor/libwps/src/api.h	(revision 18997)
+++ utils/wpseditor/libwps/src/api.h	(working copy)
@@ -36,6 +36,7 @@
     int height;
     int font;
     int drawmode;
+    struct bitmap *bg;
     unsigned fg_pattern;
     unsigned bg_pattern;
     unsigned lss_pattern;
@@ -75,6 +76,7 @@
 
 
     void        (*update)();
+    void        (*set_viewport_backdrop)(struct bitmap *bg);
     void        (*set_viewport)(struct viewport* vp);
     void        (*clear_display)(void);
     void        (*clear_viewport)(int x,int y,int w,int h, int color);
Index: utils/wpseditor/libwps/src/lcd.c
===================================================================
--- utils/wpseditor/libwps/src/lcd.c	(revision 18997)
+++ utils/wpseditor/libwps/src/lcd.c	(working copy)
@@ -36,6 +36,7 @@
 #ifdef HAVE_LCD_BITMAP    
     .font     = FONT_SYSFIXED,
     .drawmode = DRMODE_SOLID,
+	.bg       = 0,
 #endif    
 #if LCD_DEPTH > 1
     .fg_pattern = LCD_DEFAULT_FG,
@@ -60,6 +61,14 @@
     avp->fontheight = sysfont.height;
 }
 
+#ifdef HAVE_LCD_BITMAP    
+void lcd_set_viewport_backdrop(struct bitmap *bg)
+{
+	current_vp->bg = bg;
+    DEBUGF3("lcd_set_viewport_backdrop(struct bitmap *bg=%x)\n", bg);
+}
+#endif
+
 void lcd_set_viewport(struct viewport* vp)
 {
     if (vp == NULL){