Photoshop CS 6 QuickStart : Master the basics of Photoshop CS 6.
Photoshop CS 6 Retouching : See my full workflow on retouching with Photoshop.
Photoshop CS 6 Compositing : An easy and fun workflow to make great composite.
Photoshop CS 5 Landscapes : See my full workflow on the retouching of some of my most famous photography.
HDR Basics : See my full workflow with Photomatix and Photoshop to create great HDR !