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How to add more eye candy to the GNOME desktop
If you'd like to spice up your desktop with special effects, the GNOME desktop environment has plenty to offer.
You can choose from several effects (such as a Star Trek-like energize, Doom, Broken Glass, Apparition, Fire, Glide, Glitch, and more). The one warning I will give you about Wobbly Windows is the effect isn't quite as smooth on machines with underpowered graphics cards. This extension offers only two configurations -- the amount of transparency you want to use and whether or not you want the top bar to switch to opaque when a window touches it.
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