How can you get cool ringtones for the sprint A900?

well one way to get a cool ringtone is to create one yourself.
what i did for a cool ringtone was record myself play on the guitar in mp3 format, and created my ringtone outta it.
you could try wackier stuff or just edit a known song you've got and make a ringtone outta it.
i use for gettting ringtones and for editing the mp3s and making tones outta it...they've got everything you might need for basic tone creation, and its free.