Here is a fun tip for anyone who happened to receive a new iPhone as a gift over the holiday. We’ve written up a short tutorial on how you can build and add your own custom ringtones using GarageBand.

GarageBand is a fun part of Apple’s iLife suite that sits untouched on most designer’s computers. If you’ve bought a new Macintosh recently, GarageBand is sitting quietly in your Applications folder waiting to be discovered.

Pick a few of your favorite MP3 files in your music collection, and use this technique to add a couple custom ringtones to your iPhone.