Learn how to create a nebula in Photoshop with this detailed step-by-step tutorial. Whether you're an artist, designer, or sci-fi enthusiast, this guide will show you how to make realistic deep-space ...

The rest of the tutorial covers each aspect of what layers have to offer in more detail. If you prefer to read than watch when learning, there are also some great tips over on The School of ...

The Digital Photography School blog has an instructive tutorial on using layers for those just getting their feet wet inside Photoshop, or other high-end image editors like the open-source GIMP. Those ...