Going in-depth on how the Pen Tool works. The Pen Tool is a very complex and precise tool, but if used correctly, it'll be your best friend in Photoshop!
This Adobe Photoshop CS3 Tutorial will show you how to pentool and vector using the dodge and burn tools for shading. Once again created to help tutor Teli but i'm sure it can help someone else too :D
You will learn:
How to trace an image with pentool
How to use Dodge
How to use Burn
How to make the shell of a snail, who wouldn't want to learn that :D