13 Clever and Hilarious Billboard Advertisements [PICS]--EXPLODE--http://digg.com/business_finance/13_Clever_and_Hilarious_Billboard_Advertisements_PICS--EXPLODE--Can you get to that brochure? If so you probably should do something more productive than join the military. Some of these you've seen before, but probably not all. As a former Minnesotan I'm particularly fond of the third one down!