The How-To Geek Guide to Learning Photoshop, Part 3: Layers - How-To Geek

The How-To Geek Guide to Learning Photoshop, Part 3: Layers - How-To Geek: "As one of the hallmark features of Photoshop, Layers are the foundation of learning good photo editing techniques. In this article, we’ll go through their basic usage, as well as cover some basic types of layers."