Take a look at slimbox: http://www.digitalia.be/software/slimbox2

I think slimbox is much better because of use jQuery. 

Have you looked at other JQuery based lightbox clones?

Sorry I don't understand. Is this question for me? 

alfalive

Image gallery and lightbox clones that use JQuery

http://devkick.com/lab/galleria/
http://www.digitalia.be/software/slimbox2
http://leandrovieira.com/projects/jquery/lightbox/
http://www.twospy.com/galleriffic/
http://nyromodal.nyrodev.com/
http://famspam.com/facebox
http://www.no-margin-for-errors.com/projects/prettyPhoto-jquery-lightbox-clone/

My favorite is Slimbox. More lightweight and quicker
 http://www.digitalia.be/software/slimbox2

Do you have experience developing with any of these or are you basing that on the demos?

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I have no experience. But we can test it with firebug to see what is quickier.

Total newB question...

Am I able to add lightbox or slimbox2 to my elgg site???
I have updated tidypic and have been looking everywhere on
how to install lightbox or slimbox2 into my galleries....

if this is possible could someone please tell me how?

@blibkbeats - we have not integrated a light box. It is scheduled for the 1.7 release.