diff -up sites/all/modules/lightbox2/css/lightbox.css sites/all/modules/lightbox2_improved/css/lightbox.css
--- sites/all/modules/lightbox2/css/lightbox.css	2009-01-01 06:05:58.000000000 -0800
+++ sites/all/modules/lightbox2_improved/css/lightbox.css	2010-05-03 15:22:22.000000000 -0700
@@ -251,9 +251,54 @@
   margin-bottom: 1px;
   height: 20px;
   width: 20px;
+
   background: url(../images/pause.png) no-repeat;
 }
 
 .lightbox_hide_image {
   display: none;
 }
+
+/* Thumbnails List */
+#thumbList {
+  clear: left;
+  display: none;
+  overflow: hidden;
+  padding: 0;
+  position: relative;
+  text-align: left;
+  width: 100%;
+}
+
+#thumbList ul {
+  padding-left: 0;
+  padding-right: 0;
+  width: 3000px; /* a big width */
+}
+
+#thumbList ul li {
+  background: none;
+  display: inline;
+  float: left;
+  list-style-image: none;
+  list-style-type: none;
+  margin-left: 0;
+  margin-right: 10px;
+  padding: 0;
+}
+
+#thumbList ul li.last {
+  margin-right: 0;
+}
+
+#thumbList ul li a {
+  display: block;
+  opacity: 0.4;
+  filter:alpha(opacity=40); /* IE */
+}
+
+#thumbList ul li.active a,
+#thumbList ul li a:hover {
+  opacity: 1;
+  filter:alpha(opacity=100); /* IE */
+}
diff -up sites/all/modules/lightbox2/css/lightbox_alt.css sites/all/modules/lightbox2_improved/css/lightbox_alt.css
--- sites/all/modules/lightbox2/css/lightbox_alt.css	2008-08-15 03:09:54.000000000 -0700
+++ sites/all/modules/lightbox2_improved/css/lightbox_alt.css	2010-05-03 15:24:50.000000000 -0700
@@ -224,3 +224,47 @@
 .lightbox_hide_image {
   display: none;
 }
+
+/* Thumbnails list */
+#thumbList {
+  clear: left;
+  display: none;
+  overflow: hidden;
+  padding: 0;
+  position: relative;
+  text-align: left;
+  width: 100%;
+}
+
+#thumbList ul {
+  padding-left: 0;
+  padding-right: 0;
+  width: 3000px; /* a big width */
+}
+
+#thumbList ul li {
+  background: none;
+  display: inline;
+  float: left;
+  list-style-image: none;
+  list-style-type: none;
+  margin-left: 0;
+  margin-right: 10px;
+  padding: 0;
+}
+
+#thumbList ul li.last {
+  margin-right: 0;
+}
+
+#thumbList ul li a {
+  display: block;
+  opacity: 0.4;
+  filter:alpha(opacity=40); /* IE */
+}
+
+#thumbList ul li.active a,
+#thumbList ul li a:hover {
+  opacity: 1;
+  filter:alpha(opacity=100); /* IE */
+}