This jam is pretty easy – get a pet waste station and cover the “clean up after your dog” with a white strip of laser-printed heavy paper. The “Vote” is a little harder – this one is vinyl letters, but you could just cover the whole face of the box with your own printout and cut holes for the lock and bag slot. Come to think of it, for quick & dirty, a plain sign would pair with the prank poop as well. Hmmm…