Gigabox is a lightweight responsive WordPress image gallery . It will integrate with your theme seamlessly and it won’t look out of place. Also it won’t bloat your website with tons of unnecessary code, Gigabox’s JS file is only 9 KB. It’s really easy to manage Gigabox Galleries because Gigabox comes with custom admin interface. (check out the demo site for screenshots). Gigabox works in Firefox, Chrome, Safari, Opera and IE 8+.
Demo: http://codecanyon.net/item/gigabox-responsive-wp-galleryimage-effect/4453023