Index: /Users/ehayes/Sites/eric/sites/all/modules/flickr/block/flickr_block.module
===================================================================
--- /Users/ehayes/Sites/eric/sites/all/modules/flickr/block/flickr_block.module	(revision 85)
+++ /Users/ehayes/Sites/eric/sites/all/modules/flickr/block/flickr_block.module	(working copy)
@@ -91,7 +91,11 @@
     case 3:
     case 4:
     case 5:
+      if ($edit["flick_block_{$delta}_user_id"] != '') {
       variable_set("flickr_block_{$delta}_user_id", $edit["flickr_block_{$delta}_user_id"]);
+      }else{
+        variable_set("flickr_block_{$delta}_user_id", $default_userid = variable_get('flickr_default_userid', ''));
+      }
       variable_set("flickr_block_{$delta}_show_n", $edit["flickr_block_{$delta}_show_n"]);
       break;
     }