Index: includes/media/Bitmap.php
===================================================================
--- includes/media/Bitmap.php	(revision 89562)
+++ includes/media/Bitmap.php	(working copy)
@@ -521,11 +521,12 @@
 
 		// Initialise the destination image to transparent instead of
 		// the default solid black, to support PNG and GIF transparency nicely
-		$background = imagecolorallocate( $dst_image, 0, 0, 0 );
+		$background = imagecolorallocatealpha( $dst_image, 0, 0, 0, 0x7F );
 		imagecolortransparent( $dst_image, $background );
 		imagealphablending( $dst_image, false );
 
-		if ( $colorStyle == 'palette' ) {
+		global $wgGDAlwaysResample;
+		if ( $colorStyle == 'palette' && !$wgGDAlwaysResample ) {
 			// Don't resample for paletted GIF images.
 			// It may just uglify them, and completely breaks transparency.
 			imagecopyresized( $dst_image, $src_image,