Now Obviously if you like an artist and they have a professional ringtone out there please support them. If you know a local band that doesnt have that option yet ask them if they mind if you snag something off thier myspace and make it a ringtone. Then offer the file to them so they could have it online for other fans.
There are other good audio editing programs you can use to create just about any ringtone for your Android phone. Some of them offer the ability to warp or really edit the sound file.
I hope this helps you get your android a little closer to your heart and closer to finding Sarah Connor.