Motorola V600
Houston
http://www.glowingrodent.com/hofo/ »
http://www.mototone.procontrolpanel.com/downloads.asp »
(I havent really checked out mototone yet though)
There are also a hundred sites where you can pay like $2-5 for a mp3 ringtone, but who wants to do that? If anyone can find more, please let me know.