Who Says Outdoor Ads Have to Suck?
There are a lot of billboards out there, and most of them are not very memorable. On occasion, however, you see a billboard that really breaks out of the outdoor ad unit doldrums.
AutomoBlog has a great example, from Ford no less, that shows innovative execution of billboard advertising. Here it is:

No, it’s no just paint that looks blurry, it is actually semi-transparent Lexan - so no matter what is going on with the weather the billboard will always match the background. Pretty neato, huh?