Digital Painting & Concept Art with PhotoshopBasic to Advanced Color Theory and Illustration Techniques for Photoshop If you are completely new to Photoshop, you may want to go through these lessons, they provide a fantastic starting point for beginners: Photoshop Guide You must consider many things while painting: Layers, Exposure/Lighting, Shadows, Highlights, Surfaces, Materials, Textures, Translucency, Reflections, Composition, and Color
