Ever fancied a go at 'Photochopping' your car but weren't sure how to do it? I found this site the other day whilst looking for Photoshop help. It's aimed at 'Modders' ( ) rather than 'our type' of cars, but the tutorials on how to change colours, wheels or other body parts are well laid out & easy to understand (even I got the idea!). http://www.digimods.co.uk/tutorials/tutorials.htm
Ok, not exactly my thing, but you are right, there is some great stuff on there. His carbon fiber "bonnet" actually looks very real.