Index: node_gallery.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/node_gallery/node_gallery.module,v
retrieving revision 1.18.2.156
diff -u -p -r1.18.2.156 node_gallery.module
--- node_gallery.module	2 Feb 2011 14:56:18 -0000	1.18.2.156
+++ node_gallery.module	4 Feb 2011 08:03:39 -0000
@@ -1129,3 +1129,15 @@ function node_gallery_field_formatter_in
   }
   return $formatters;
 }
+
+/**
+ * Increments pager ids if more than one NG view is displayed per page.
+ * @staticvar int $pager_id
+ * @param <type> $view
+ */
+function node_gallery_views_pre_view(&$view, &$display_id, &$args) {
+  static $pager_id = 0;
+  if ($view->tag == 'node_gallery_images') {
+    $view->display_handler->default_display->options['pager']['options']['id'] = ++$pager_id;
+  }
+}