I like this idea of the image behind the 728x90? I'm curious how Google would perceive this one? I really, like it though.
I did some searching and found this. I had been thinking about doing it with a polaroid for awhile but assumed it was off limits... It appears it's "Images-next-to-ads version 2.0".
You can even see the car's shadow. You must have some impressive eyes to see it was done in PS, because I really couldn't tell