Documentation can be found on the official project page: http://www.buildinternet.com/project/supersized/
Post for the current version: http://buildinternet.com/2010/11/supersized-3-0-full-screen-background-slideshow-jquery-plugin
*** Changelog ***
2/26/11 - Supersized 3.1 and Supersized Flickr 1.0 Released
*Complete rewrite of the Supersized script
*Added image rendering for faster transition speeds on FF and IE
*Dynamic image handling (no longer relies on predefined ratios)
*Unobtrusive backgrounds - you no longer need to wrap your content in a special div.
*Many options added, including fit to screen, keyboard navigation, transition speed, and more.
*Created seperate script specifically for Flickr - can pull by user, set, or group.
*API Key is needed to use Supersized Flickr (http://www.flickr.com/services/apps/create/)
Expect updates to the project page, demos, and a corresponding announcement post on Build Internet.
2/11/11 - Supersized Core files updated with reduced code, cleaner file structure, and dynamic image proportions.