--- serendipity-nightly/include/admin/images.inc.php	2009-08-24 10:06:34.000000000 +0200
+++ images.inc.php	2009-10-25 22:40:28.000000000 +0100
@@ -825,7 +825,14 @@
 function showMediaLibrary($messages=false) {
     if (!serendipity_checkPermission('adminImagesView')) {
             return;
-        }
+    }
+
+    global $image_selector_addvars;
+    #if $image_selector_addvars is not empty, this was called by 
+    #serendipity_admin_image_selector.php and the library shall not be displayed (yet).
+    if (!empty($image_selector_addvars)) {
+    	return;
+	}
 
     if(!empty($messages)) {
         echo '<div class="imageMessage"><ul>';