Was browsing for something-or-other and came across this site, http://www.digimods.co.uk. At first I thought all of the slammed car images were actual cars - they look so realistic! But, they're all Photoshopped . There are excellent tutorials and forums, as well. I can see blowing a lot of time on this .

Here are a few MINI's - the original photos are inset into the larger photos:




I really like this one:

 

yeah - i just found that the other day - there is some amazing work on that site...