Jqurry

http://cssglobe.com/lab/tooltip/02/

http://www.greepit.com/category/design/images/

http://codebit.wordpress.com/2009/02/27/jquery-thumbnail-popup-plugin-for-greasemonkey/#comment-78

http://james.padolsey.com/demos/imgPreview/full/

http://www.reynoldsftw.com/2009/03/10-excellent-tooltip-plugins-with-jquery/