Allright, I'm a Jquery beginner, but it's obviously cool and, if I can figure out some of the esoterica, I'll stop banging my head against the wall. Here's some quick references for thing that you/I/we might need quick access to.

Tooltips

Jquery Docs on these functions
Good all-purpose tool tips
SimpleTip - Good support by the author (Qtip supercedes this)
qTip - One of the bestJquery Tools - Contains tooltip add-on

Jquery Tools - Contains ToolTip as well as other very cool jquery widgets

Animation Jquery can do various types of website/element animation. Here are some examples and links to just that.
The Jquery Docs for these types of effects
10 jQuery animation effects

MooTools