Any idea how to do this?

Hi, Sometime back I used to visit this URL: http://www.groundbreak.com/graphics.html to make the graphics for some products as it was easy to use and give pretty decent results, but now i see that the owner has converted it into a paysite and is asking for a whopping 200$ per membership :-( So I have decided that I am going to try to make the same thing on our site but offer it free to the public...only problem is...I dont know where to start and was hopeing someone here can give me tips/urls or links to boost me on my way... Any help appreciated thanks in advance. Cheers, -Ryan