A step by step demonstarted by PhotoShop CS and Illustrator CS [details (http://www.retouchpro.com/tutorials/?m=show&id=220)]

Where is the tutorial this refers to?

Hi Tom.

It appears that Celldigi has rearranged the web pages.
The tutorial is here.

http://www.cell.com.hk/

Click the Tutorial link on that page.

Ken