Using iPhone Ringtones
Creating Custom iPhone Ringtones with iFuntastic
At launch, the iPhone’s ringtones were limited only to the ones that came preloaded on it. A program called iFuntastic has been released that lets you add your own custom ringtones, including those made from your iTunes music collection, to the iPhone.
How to Set iPhone Ringtones
You're not stuck with the default ringtone whenever you get a call on your iPhone. There are a bunch of options--and each person in your address book can have a different ringtone.
How to Assign Ringtones to Contacts on iPhone
Want your iPhone to play a love song when your partners calls or "Take this Job and Shove It" when it's your boss on the line?