I'm going to tell you here just a few important things that will help anyone who is ready to try it to get started. Actually, I think the best way is to try it out, so I'm attaching the Gimp file. You can download it, just see how it's done, and even experiment with it. Gimp is a legal free Open-source application: https://www.gimp.org/ Basically everything in it is organized very intuitively, I'll talk about some things that are not so obvious right...
