Update at 11:50PM: We have a winner! hoganj300 successfully guessed the location of this image as a mural in Moline under the Arsenal bridge viaduct along the bike path. Here's the full mural, in all its wackiness.Update: Ok, here's another image to hopefully make things easier.
This one might be too easy, but we'll see. I'll post another image as a clue if no one gets it by the time I get up this afternoon.Where in the Quad Cities is this?