More to explore:
I'd be the dorky person taking a picture with a banana peel. Do you think this is what the banana peels say in Mario Kart? "The best 'Caution!' sign there is."
Slippery Floor Banana Caution Sign (bad type, nice idea)
Banana peel warning sign :-)
caution sign "Donkey Kong" ?
Banana Caution Sign, so funny!
Banana Peel Caution Sign » Design You Trust – Design Blog and Community
Clever idea of slippery floor sign design.