So you want to get extra cool effects using Compiz Fusion as its built into your new Ubuntu 7.10 install but youre unsure how to get more than a few wobbly windows or how to even turn on wobbly windows?
Read it at Arsgeek
It will ask you if you want to (R)eject, accept (t)emporarily or accept (p)ermanently? You want to permanently accept it so type p. Then back into Emeralds manager after it does its thing and click the Fetch non GPLd Themes button. Then click the Themes tab and select a theme you like.