If T-Mobile just so happens to be your network of choice, then there are two things you would probably like to know: T-Mobile customers can now use iPhone 4 on its network and hey, that network choice will be gone post AT&T merge anyway so it may be better on
Matt, an industrial designer, used two scraps of walnut and an old Magnavox horn speaker to make his own audio dock for his iPhone 3G. By carving out a dock in the front, a hole in the back for the speaker to go in, and a channel between them on the inside, he was able to create his own DIY audio dock. It just might be the coolest DIY iPhone project in history. Video after the break.