How to add a custom ringtone: Hacking the iPhone
There is nothing better than hacking especially when it comes to the iPhone, all credit must be given to “geohot”, “nightwatch” and “ziel, and many more at the iphone-dev crew. There are two programs just for you called iPhoneInterface and jailbreak and the original code comes from JavaCoderEx. We all know that custom ringtones are the nuts and many people want them and the link below will totally teach you how to add your very own files to the iPhone to use as a ringtone. Apple iPhone lovers will just love this and all we ask in return please do use the comment area shown below on this page to tell us what you thought.
How To – Full Instructions