ScrollShow is a very customizable slideshow, that relies on jQuery.ScrollTo.
mcDropdown jQuery Plugin is an unique UI control that would allow users to select from a complex hierarchical tree of options.
instant.js 2.0 allows you to add an instant picture effect (including tilt) to images on your webpages (alternatively: slided.js or filmed.js). It works in all the major browsers – Mozilla Firefox 1.5+, Opera 9+, Safari and IE6+. On older browsers, it’ll degrade and your visitors won’t notice a thing.