In this tutorial, we learn how to make your own theme for iPod Touch and iPhone. First, download Paint.net from Mediafire. Through this, you will be able to create your own theme and anything you want to customize on your device. Make sure all your icons and pictures are in a .png format, or it will not work. This is a program that is designed for more experienced users, if you are new to this, you will want to ask someone else to help or start by doing smaller things first, before tackling this.