I've got a dashboard widget that pulls from an RSS feed on my central server and allows anyone using my theme to see newly available skins.
Using the dashboard widget, I'm currently presenting a thumbnail image of the skin along with a description and a link to download. I'd like to enable the thumbnail so that when clicked, it will open the full size image in a lightbox over the wordpress dashboard.
I want to install as little extras as possible to make this possible. My theme is already including jquery-1.4.2.min.js and I'd like to build off that if possible.
Any ideas much appreciated.