Adobe Photoshop Tutorials
10 Ways to Modify a Selection in Photoshop - YouTube
How to Create a Soft Pastel Effect in Photoshop - a step-by-step tutorial showing all the adjustment layers and settings used to get the look.
23 Adobe Photoshop Tutorials for Beginner Graphic Designers - DuoParadigms Public Relations & Design, Inc.
Tutorials that dont' suck
Photoshop 25th Anniversary
3D Photoshop for Creative Professionals: Interactive Guide for Creating 3D Art
Making Difficult Selections Using Adjustment Layers in Photoshop CC 2017