Index: imagefield/imagefield.install
===================================================================
--- imagefield/imagefield.install	2009-03-21 06:06:07.000000000
+++ imagefield/imagefield.install	2009-04-04 17:52:20.000000000
@@ -146,12 +146,15 @@
           case 'imagefield_nodelink':
             $field['display_settings'][$display_context]['format'] = 'image_nodelink';
             break;
           case 'imagefield_imagelink':
             $field['display_settings'][$display_context]['format'] = 'image_imagelink';
             break;
+          case 'imagefield_thumb_plain':
+            $field['display_settings'][$display_context]['format'] = 'thumb_plain';
+            break;
           case 'imagefield_path':
             $field['display_settings'][$display_context]['format'] = 'path_plain';
             break;
           case 'imagefield_url':
             $field['display_settings'][$display_context]['format'] = 'url_plain';
             break;
@@ -197,12 +200,15 @@
 
       // Update the formatters.
       foreach ($field['display_settings'] as $key => $display) {
         switch ($display['format']) {
           case 'default':
             $field['display_settings'][$key]['format'] = 'image_plain';
+            break;
+          case 'imagefield_thumb_plain':
+            $field['display_settings'][$key]['format'] = 'thumb_plain';
             break;
           case 'imagefield_nodelink':
             $field['display_settings'][$key]['format'] = 'image_nodelink';
             break;
           case 'imagefield_imagelink':
             $field['display_settings'][$key]['format'] = 'image_imagelink';