ETA: Sorry, didn't realise that the picture had to be taken by me - but it is my car and I was there when it was took!
....Not a 'rule' but only my suggestion because otherwise anyone can trawl the internet and post atmospheric photos. A bit like our VAG Babes thread - There has to be a VAG car in the shot or something clearly VAG, otherwise there's just zillions of hot Babes.
For what it's worth, I feel happier knowing it's a member's car and you were there.
I agree about the Photoshop approach too... As long as the result is good.