Sumo Paint~Beginners Walk through~Layers, Brushes, & Gradients
Sorry this is a bit long, but hopefully it will help get you started with Sumo Paint. http://www.sumopaint.com/home/ It's such a great free program!. This is a very basic walkthrough of layers and brushes for beginners. If you'd like additional help, just PM me and I'll try to figure something out for you. I am also a beginner though, so please keep that in mind.