Smashing Magazine came up with a link-list post called 53 CSS Techniques You Couldn't Live Without. It links to cool CSS effects that are easy enough to add to your web applications. Developers (like me) are notorious for being, hmm, spartan when it comes to design, so ready-to-go script that lets me jazz up my pages is welcome. Plus, Smashing included little screenshots of the effects, so you don't have to click through to see what they're like (though a few of the screenshots don't really explain the effect well [I'm talking to you, Link Thumbnail]). Anyhow, here's images of a few:

CSS Teaser Box

CSS Ratings Selector