Posted a couple of these before in the off-topic section.
These are all genuine photos (one is a BMW press image, the rest my own), edited with Photoshop for a "tilt shift" effect, making them look a little like toy cars/landscapes.
It's a fun effect to play with (well, I think so anyway).
I got the idea from this tutorial:
[Photoshop Tutorial] Creating fake 'Miniature' environments