diff --git a/3.0/modules/fotomotorw/controllers/fotomotorw.php b/3.0/modules/fotomotorw/controllers/fotomotorw.php
index 1be2def0..aa7de2d6 100644
--- a/3.0/modules/fotomotorw/controllers/fotomotorw.php
+++ b/3.0/modules/fotomotorw/controllers/fotomotorw.php
@@ -19,7 +19,7 @@
  */
  
 class FotomotorW_Controller extends Controller {
-  public function resize($item_id) {
+  public function resize($str_checksum, $item_id) {
     // Displayed the "resized" version of an image by it's ID number.
     //  This both gives fotomoto access to resizes regardless of permissions
     //  and forces fotomoto to track images by unique id instead of file name
@@ -31,6 +31,11 @@ class FotomotorW_Controller extends Controller {
       throw new Kohana_404_Exception();
     }
 
+    // Make sure checksum matches, if not, throw a 404 error.
+    if ($str_checksum != md5($item->created)) {
+      throw new Kohana_404_Exception();
+    }
+
     // If the resize file doesn't exist for some reason, display a 404 error.
     if (!file_exists($item->resize_path())) {
       throw new Kohana_404_Exception();
diff --git a/3.0/modules/fotomotorw/views/fotomotorw_block.html.php b/3.0/modules/fotomotorw/views/fotomotorw_block.html.php
index f0f4b91a..a3209822 100644
--- a/3.0/modules/fotomotorw/views/fotomotorw_block.html.php
+++ b/3.0/modules/fotomotorw/views/fotomotorw_block.html.php
@@ -10,6 +10,6 @@
 </center>
 <script>
   function showFotomotoDialog(window_type) {
-    FOTOMOTO.API.showWindow(window_type, "<?= url::abs_site("fotomotorw/resize/{$item->id}"); ?>");
+    FOTOMOTO.API.showWindow(window_type, "<?= url::abs_site("fotomotorw/resize/" . md5($item->created) . "/{$item->id}"); ?>");
   }
 </script>