I was recently searching for some localization stuff on the net and I found a few good links and like to share these with the community.
http://www.longhornjunkies.net/QuickStartv20/aspnet/doc/localization.aspx
http://blogs.vertigosoftware.com/liam/archive/2005/10.aspx
http://www.ondotnet.com/lpt/a/6032
I hope they might help you.