I think all sidebars should be centered. I just do. They're on the side. If the body is left-aligned or justified, this is pretty spiffy. I also included centering blogroll lists, and the sidebars of blogspot.com blogs. Works for me!
Installs:Created: Dec 20, 2006Last Updated: Dec 21, 2006
Created: Aug 09, 2006Last Updated: Aug 10, 2006
Created: Oct 05, 2006Last Updated: Dec 08, 2006
Created: Aug 09, 2006Last Updated: Dec 08, 2006
Created: Jun 09, 2007Last Updated: Jun 11, 2007
Created: Jul 05, 2006Last Updated: Jun 13, 2007