If you haven't seen it yet, this one is just INSANE, but in a peaceful, Zen-like way. It's exactly what the title says:
Be sure to watch until the 1:18 mark -- at which point a pit-bull dog dressed as a hammerhead shark walks into the room! And nothing happens except complete tranquility and love! Basically, it's Edward Hicks' "Peaceable Kingdom", but with fuzzy shark-costumes and a robotic vacuum cleaner...