Im crap with computers so this is gonna be difficult.

I been told photoshop is a good way to put wheels of your choice on a car of your choice, is this true? How do I do it? I got some wheels laid to one side that Im keeping for my next Sapph Cossie but I want to use pics of my old one just to see what they will look like on a Cosworth, can it be done?

The wheels are Kei Force 10 and I want to see em on a Sapph Cos, white or magenta.

Secondly, loads of you have pics of your cars etc at the botom of every post and reply you make, how can I do this?