People were interested in this idea and it's pretty easy to get into. I'll keep this tutorial going as long as I can think of new challenges and then after that it's up to you. If you guys continue to work on this after these tutorials then I'm sure in about a year or so you'll be amazing. You never get worse, you only get better when it comes to Graphic Design.
Step 1: Download The Gimp. It's a free graphic design program.