Slimbox, the ultimate lightweight Lightbox clone

Slimbox is a 7kb visual clone of the popular Lightbox JS v2.0 by Lokesh Dhakar, written using the ultra compact mootools framework. It was designed to be small, efficient, more convenient and 100% compatible with the original Lightbox v2

Link:
http://www.digitalia.be/software/slimbox

Lightbox v2:
http://www.huddletogether.com/projects/lightbox2/