I thought this was a pretty cool concept when I read about the Virtual Paintout the beginning of this month. Of course it took me until now to get an entry done and posted, but I did.
The concept is that you go on Google Earth and this month was Florence (Firenze), Italy. You find a picture someone has linked to the map of the city, and you sketch or paint the scene.
I liked the light in this view of the Ponte Vecchio, but I dont' know anything else about it. I had fun working on it at lunchtimes though. Hope you enjoy it.