--- gnome-session-2.12.0/gnome-session/splash-widget.c.shaped	2005-12-20 14:00:44.000000000 -0500
+++ gnome-session-2.12.0/gnome-session/splash-widget.c	2005-12-20 14:02:16.000000000 -0500
@@ -228,7 +228,9 @@
 
 	if (sw->background && widget->window) {
 		int width, height;
-
+		GdkPixmap *mask;
+		mask = NULL;
+	
 		width = gdk_pixbuf_get_width  (sw->background);
 		height = gdk_pixbuf_get_height (sw->background);
 
@@ -237,6 +239,11 @@
 			width, height,
 			gdk_drawable_get_visual (widget->window)->depth);
 
+		mask = gdk_pixmap_new (
+			widget->window,
+			width, height,
+			1);
+
 		if (pm) {
 			gdk_pixbuf_render_to_drawable (
 				sw->background, GDK_DRAWABLE (pm),
@@ -247,6 +254,22 @@
 			
 			gdk_window_set_back_pixmap (
 				widget->window, pm, FALSE);
+
+			if (mask) {
+				gdk_pixbuf_render_threshold_alpha (
+					sw->background, (GdkBitmap *) mask,
+					0, 0, 0, 0, width, height,
+					125);
+
+				gdk_window_shape_combine_mask (
+							widget->window,
+							(GdkBitmap *) mask,
+							0,
+							0);
+
+				gdk_pixmap_unref (mask);
+			} 
+			
 			sw->bg_pixmap = pm;
 		}
 	}