--- upload_preview.module.orig 2008-01-16 11:54:44.000000000 +0000
+++ upload_preview.module 2008-01-16 12:07:16.000000000 +0000
@@ -128,9 +128,9 @@

     if ($path) {
       // The image exists and the preview can be added.
+      $image = theme('upload_preview_image', file_create_url($path), $file->description);
       return array(
-        '#type' => 'upload_preview_image',
-        '#value' => file_create_url($path),
+        '#value' => l($image, file_create_url($file->filepath), array(), NULL, NULL, FALSE, TRUE),
       );
     }
   }
@@ -317,6 +317,6 @@
 /**
  * Theme a file upload preview image.
  */
-function theme_upload_preview_image($element) {
-  return '<img src="'. $element['#value'] .'" />';
+function theme_upload_preview_image($url, $alt) {
+  return '<img src="'. $url .'" alt="'. $alt .'" class="upload_preview_image" />';
 }