An other approach to PS from the you-suck-at-photoshop guys :

Victoria's Secret Fashion Videos

A different approach compared to your average PS video :

PhotoShop Camera Raw video tutorial.

Here's a video tutorial about retouching lips techniques in Photoshop

Photoshop Video Tutorial: Advanced Selecting Hair

Digital Foundation - skin retouching and make up in photoshop video tutorial.

Remove Glasses Digitally with Photoshop

Chris Burfoot Demonstrates Elinchrom's Skyport radio trigger system.

Setting sking color and tones with photoshop

Retouching and Digital Makeup in Photoshop video.

Using Photoshop to make hair patches video tutorial.

Chris Burfoot demonstrates the Elinchrom Octa, a giant softbox, used as a white background. +  demonstrates the Elinchrom Octa, a giant softbox, used as a huge ringflash for fashion and lifestyle portraits.

Chris Burfoot teaches how to mix Flash with ambient sunlight outdoors

Using the Replace Color command with photoshop video tutorial