Hi all,
Okay - figured it out! I copied the source from the demo site via firefox.
Litebox and a few others need to have js added here to make them work as well.
<script type="text/javascript" src="http://your_site_here/mambots/content/plugin_jw_sigpro/slimbox/mootools.js"></script>
<script type="text/javascript" src="http://your_site_here/mambots/content/plugin_jw_sigpro/slimbox/english/slimbox.js"></script>
<style type="text/css" media="all">
@import "http://your_site_here/mambots/content/plugin_jw_sigpro/slimbox/english/slimbox.css";
@import "http://your_site_here/mambots/content/plugin_jw_sigpro/sigpro_default.css";
</style>
<!--[if IE 7]>
<style type="text/css" media="all">
.sig_cont .sig_thumb a span.sig_pseudocaption,.sig_cont .sig_thumb a:hover span.sig_pseudocaption {bottom:10px;left:0px;}
.sig_cont .sig_thumb a span.sig_caption,.sig_cont .sig_thumb a:hover span.sig_caption {bottom:10px;left:0px;}
</style>
<![endif]-->
<!--[if lte IE 6]>
<style type="text/css" media="all">
.sig_cont .sig_thumb a span.sig_pseudocaption,.sig_cont .sig_thumb a:hover span.sig_pseudocaption {bottom:5px;left:5px;}
.sig_cont .sig_thumb a span.sig_caption,.sig_cont .sig_thumb a:hover span.sig_caption {bottom:5px;left:5px;}
</style>
<![endif]-->
