Couloir Slideshow is a demonstration of Flash-like behavior implemented solely in Javascript, HTML, and CSS. It is a very good resources for creating a gallery with resizing and fading effects. You are permitted to use it on your own project so long as you do so according to the rules outlined in the Creative Commons ‘Attribution-ShareAlike 2.0′ License and the license terms contained in the associated, third-party APIs.

Requirements: Any Modern Browsers with Javascript Enabled
Demo: http://www.couloir.org/js_slideshow
License: Creative Commons License