diff --git a/minui/resources.c b/minui/resources.c
index 7ecfeef..3d2c727 100644
--- a/minui/resources.c
+++ b/minui/resources.c
@@ -97,9 +97,10 @@
     int color_type = info_ptr->color_type;
     int bit_depth = info_ptr->bit_depth;
     int channels = info_ptr->channels;
-    if (bit_depth != 8 || (channels != 3 && channels != 4) ||
-        (color_type != PNG_COLOR_TYPE_RGB &&
-         color_type != PNG_COLOR_TYPE_RGBA)) {
+    if (!(bit_depth == 8 &&
+          ((channels == 3 && color_type == PNG_COLOR_TYPE_RGB) ||
+           (channels == 4 && color_type == PNG_COLOR_TYPE_RGBA) ||
+           (channels == 1 && color_type == PNG_COLOR_TYPE_PALETTE)))) {
         return -7;
         goto exit;
     }
@@ -118,6 +119,10 @@
     surface->format = (channels == 3) ?
             GGL_PIXEL_FORMAT_RGBX_8888 : GGL_PIXEL_FORMAT_RGBA_8888;
 
+    if (color_type == PNG_COLOR_TYPE_PALETTE) {
+      png_set_palette_to_rgb(png_ptr);
+    }
+
     int y;
     if (channels == 3) {
         for (y = 0; y < height; ++y) {
diff --git a/res/images/indeterminate1.png b/res/images/indeterminate1.png
index 264bf27..90cb9fb 100644
--- a/res/images/indeterminate1.png
+++ b/res/images/indeterminate1.png
Binary files differ
diff --git a/res/images/indeterminate2.png b/res/images/indeterminate2.png
index c30c049..f7fb289 100644
--- a/res/images/indeterminate2.png
+++ b/res/images/indeterminate2.png
Binary files differ
diff --git a/res/images/indeterminate3.png b/res/images/indeterminate3.png
index 891a000..ba10dfa 100644
--- a/res/images/indeterminate3.png
+++ b/res/images/indeterminate3.png
Binary files differ
diff --git a/res/images/indeterminate4.png b/res/images/indeterminate4.png
index 7a64151..ad5d9a5 100644
--- a/res/images/indeterminate4.png
+++ b/res/images/indeterminate4.png
Binary files differ
diff --git a/res/images/indeterminate5.png b/res/images/indeterminate5.png
index cd6ab20..8c19c8d 100644
--- a/res/images/indeterminate5.png
+++ b/res/images/indeterminate5.png
Binary files differ
diff --git a/res/images/indeterminate6.png b/res/images/indeterminate6.png
index ddd9e73..c0c6638 100644
--- a/res/images/indeterminate6.png
+++ b/res/images/indeterminate6.png
Binary files differ
diff --git a/res/images/progress_bar_empty.png b/res/images/progress_bar_empty.png
deleted file mode 100644
index 9013f04..0000000
--- a/res/images/progress_bar_empty.png
+++ /dev/null
Binary files differ
diff --git a/res/images/progress_bar_empty_left_round.png b/res/images/progress_bar_empty_left_round.png
deleted file mode 100644
index dae7d5d..0000000
--- a/res/images/progress_bar_empty_left_round.png
+++ /dev/null
Binary files differ
diff --git a/res/images/progress_bar_empty_right_round.png b/res/images/progress_bar_empty_right_round.png
deleted file mode 100644
index 5427088..0000000
--- a/res/images/progress_bar_empty_right_round.png
+++ /dev/null
Binary files differ
diff --git a/res/images/progress_bar_fill.png b/res/images/progress_bar_fill.png
deleted file mode 100644
index 37c04b4..0000000
--- a/res/images/progress_bar_fill.png
+++ /dev/null
Binary files differ
diff --git a/res/images/progress_bar_left_round.png b/res/images/progress_bar_left_round.png
deleted file mode 100644
index e72af47..0000000
--- a/res/images/progress_bar_left_round.png
+++ /dev/null
Binary files differ
diff --git a/res/images/progress_bar_right_round.png b/res/images/progress_bar_right_round.png
deleted file mode 100644
index d04c980..0000000
--- a/res/images/progress_bar_right_round.png
+++ /dev/null
Binary files differ
diff --git a/res/images/progress_empty.png b/res/images/progress_empty.png
new file mode 100644
index 0000000..4cb4998
--- /dev/null
+++ b/res/images/progress_empty.png
Binary files differ
diff --git a/res/images/progress_fill.png b/res/images/progress_fill.png
new file mode 100644
index 0000000..eb71754
--- /dev/null
+++ b/res/images/progress_fill.png
Binary files differ
diff --git a/ui.c b/ui.c
index 51df1fa..fdc0991 100644
--- a/ui.c
+++ b/ui.c
@@ -38,13 +38,11 @@
 #define PROGRESSBAR_INDETERMINATE_STATES 6
 #define PROGRESSBAR_INDETERMINATE_FPS 15
 
-enum { LEFT_SIDE, CENTER_TILE, RIGHT_SIDE, NUM_SIDES };
-
 static pthread_mutex_t gUpdateMutex = PTHREAD_MUTEX_INITIALIZER;
 static gr_surface gBackgroundIcon[NUM_BACKGROUND_ICONS];
 static gr_surface gProgressBarIndeterminate[PROGRESSBAR_INDETERMINATE_STATES];
-static gr_surface gProgressBarEmpty[NUM_SIDES];
-static gr_surface gProgressBarFill[NUM_SIDES];
+static gr_surface gProgressBarEmpty;
+static gr_surface gProgressBarFill;
 
 static const struct { gr_surface* surface; const char *name; } BITMAPS[] = {
     { &gBackgroundIcon[BACKGROUND_ICON_INSTALLING], "icon_installing" },
@@ -59,12 +57,8 @@
     { &gProgressBarIndeterminate[3],    "indeterminate4" },
     { &gProgressBarIndeterminate[4],    "indeterminate5" },
     { &gProgressBarIndeterminate[5],    "indeterminate6" },
-    { &gProgressBarEmpty[LEFT_SIDE],    "progress_bar_empty_left_round" },
-    { &gProgressBarEmpty[CENTER_TILE],  "progress_bar_empty" },
-    { &gProgressBarEmpty[RIGHT_SIDE],   "progress_bar_empty_right_round" },
-    { &gProgressBarFill[LEFT_SIDE],     "progress_bar_left_round" },
-    { &gProgressBarFill[CENTER_TILE],   "progress_bar_fill" },
-    { &gProgressBarFill[RIGHT_SIDE],    "progress_bar_right_round" },
+    { &gProgressBarEmpty,               "progress_empty" },
+    { &gProgressBarFill,                "progress_fill" },
     { NULL,                             NULL },
 };
 
@@ -123,8 +117,8 @@
     if (gProgressBarType == PROGRESSBAR_TYPE_NONE) return;
 
     int iconHeight = gr_get_height(gBackgroundIcon[BACKGROUND_ICON_INSTALLING]);
-    int width = gr_get_width(gProgressBarIndeterminate[0]);
-    int height = gr_get_height(gProgressBarIndeterminate[0]);
+    int width = gr_get_width(gProgressBarEmpty);
+    int height = gr_get_height(gProgressBarEmpty);
 
     int dx = (gr_fb_width() - width)/2;
     int dy = (3*gr_fb_height() + iconHeight - 2*height)/4;
@@ -137,18 +131,12 @@
         float progress = gProgressScopeStart + gProgress * gProgressScopeSize;
         int pos = (int) (progress * width);
 
-        gr_surface s = (pos ? gProgressBarFill : gProgressBarEmpty)[LEFT_SIDE];
-        gr_blit(s, 0, 0, gr_get_width(s), gr_get_height(s), dx, dy);
-
-        int x = gr_get_width(s);
-        while (x + (int) gr_get_width(gProgressBarEmpty[RIGHT_SIDE]) < width) {
-            s = (pos > x ? gProgressBarFill : gProgressBarEmpty)[CENTER_TILE];
-            gr_blit(s, 0, 0, gr_get_width(s), gr_get_height(s), dx + x, dy);
-            x += gr_get_width(s);
+        if (pos > 0) {
+          gr_blit(gProgressBarFill, 0, 0, pos, height, dx, dy);
         }
-
-        s = (pos > x ? gProgressBarFill : gProgressBarEmpty)[RIGHT_SIDE];
-        gr_blit(s, 0, 0, gr_get_width(s), gr_get_height(s), dx + x, dy);
+        if (pos < width-1) {
+          gr_blit(gProgressBarEmpty, pos, 0, width-pos, height, dx+pos, dy);
+        }
     }
 
     if (gProgressBarType == PROGRESSBAR_TYPE_INDETERMINATE) {