This works with iTunes! For the Mac, convert your mp3 files to AAC and then drag it to Ringtonator and voila! Ringtonator will turn any AAC file into an iTunes/iPhone ringtone, or vice versa. Download here:
http://www.iphonexe.com/blog/?p=11
Problem with converting mp3 to AAC? Try this free app:
http://www.creationrobot.com/?p=813
Enjoy
