Custom Ringtones (FREE) (iTunes Visual Guide)
"Works like a champ!" - Profi3
"Just follow the instructions and you can make any song you want into a ringtone. Sick!!!" - Machine2009
"Freakin sweet!" - Felix the Doppleganger
Custom Ringtone Creator is a free app that helps guide you through the process of creating custom ringtones for your iPhone.
Custom ringtones may be up to 30 seconds long, and may be created from any unprotected (DRM-free) MP3 in your iTunes library.