/jds/bin/diff -uprN gnome-panel-2.26.3.old/gnome-panel/panel-menu-button.c gnome-panel-2.26.3/gnome-panel/panel-menu-button.c
--- gnome-panel-2.26.3.old/gnome-panel/panel-menu-button.c	2009-07-01 19:05:59.893447000 +0100
+++ gnome-panel-2.26.3/gnome-panel/panel-menu-button.c	2009-07-01 19:12:26.734444000 +0100
@@ -649,7 +649,7 @@ panel_menu_button_load (const char  *men
 			       "tooltip", tooltip,
 			       "use-menu-path", use_menu_path,
 			       "use-custom-icon", use_custom_icon,
-			       "has-arrow", TRUE,
+			       "has-arrow", FALSE,
 			       NULL);
 
 	info = panel_applet_register (GTK_WIDGET (button), NULL, NULL,
@@ -715,8 +715,23 @@ panel_menu_button_get_icon (PanelMenuBut
 			retval = g_strdup (gmenu_tree_directory_get_icon (directory));
 	}
 
-	if (!retval)
-		retval = g_strdup (PANEL_ICON_MAIN_MENU);
+	if (!retval) {
+		static gboolean inited = FALSE;
+		static gboolean has_sun_branding = FALSE;
+
+		if (!inited) {
+			GtkIconTheme *theme = gtk_icon_theme_get_default ();
+
+			if (gtk_icon_theme_has_icon (theme, "sun-start-here"))
+				has_sun_branding = TRUE;
+				inited = TRUE;
+			}
+
+			if (has_sun_branding)
+				retval = g_strdup ("sun-start-here");
+			else
+				retval = g_strdup (PANEL_ICON_MAIN_MENU);
+	}
 
 	return retval;
 }