BlockUI from Mike Alsup is awesome, this is just a little lighter and less code for relatively simple dialogs.
Mike Alsup has another winner here. Great for animated image slideshows.
A super easy way to manage cookies the jQuery way.
- Lava Lamp Menu
This menu showcases a very unique lava lamp effect on hover.
- Table Sorter
This plugin has it all: Multi-column sorting, paging, and striping.
This stalwart of jQuery plugin has been recently updated and is as useful as ever.