diff -ru ./og_content_type_admin-5.x-1.x_20060524/og_content_type_admin.module ./og_content_type_admin/og_content_type_admin.module
--- ./og_content_type_admin-5.x-1.x_20060524/og_content_type_admin.module	2007-05-23 15:32:11.000000000 -0700
+++ ./og_content_type_admin/og_content_type_admin.module	2007-05-29 13:53:33.000000000 -0700
@@ -946,6 +946,29 @@
   if ($form_id == 'og_admin_settings') {
     $form['#submit']['_og_content_type_admin_rebuild_table'] = array();
   }
+  elseif (isset($form['type']) && $form['type']['#value'] .'_node_form' == $form_id) {
+    $group = new stdClass;  // used for call _og_content_type_is_admin()
+    if (!empty($form['og_nodeapi']['visible']['og_groups']['#options'])) {
+      foreach($form['og_nodeapi']['visible']['og_groups']['#options'] as $nid => $name) {
+        //see if they can add this content-type for this group
+        $group->nid = $nid;
+        if (_og_content_type_is_admin($group)) {
+          continue;
+        }
+        else {
+          //see if they are allowed to add this content type
+          $sql = "SELECT octa.types_active FROM {og_content_type_admin} octa WHERE octa.gid = %d";
+          if (!$result = db_fetch_object(db_query($sql, $nid))) {
+            $result = db_fetch_object(db_query($sql, 0));
+          }
+          $activated_types = unserialize($result->types_active);
+          if (empty($activated_types->{$form['type']['#value']})) {
+            unset($form['og_nodeapi']['visible']['og_groups']['#options'][$nid]); // remove the checkbox to add this content to the og
+          }
+        }
+      }
+    }
+  }
 } // function og_content_type_admin_form_alter()
 
   //Helper/ utility functions-------------------------------------------------------------------------------