Lightbox tools are very common and most of them are easy to use. The problem seems to be to find the right tool which suit your needs for the web project! There a dozen of solutions out there. To make life easier a guy who named himself Ozh compared most of them.
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Comments
Nice resource, very succinct!
This would have been nice a few weeks ago when I was looking at these. Here's another good site I found - http://hiddenpixels.com/?p=59