The rules are simple. Reply to this comment thread and name a song name that you will turn into a ringtone for your iPhone, and you are entered.
Only one entry per person, you have until 11:59PM Eastern Time on August 16th. Make sure your email address in your forum profile is correct, as that is how you will be contacted. Winners will be chosen at random. Winners will be announced on Friday August 17th.
Efiko's iPhoneRingToneMaker is an all in one application that allows you to crop, add effects and transfer songs into your iPhone as ringtones. Windows only (but works in Parallels on the Mac), and free trial available. Normally $9.95.