I wanted to share this pic I found yesterday. Crusty Island, the ruined city in my Mutant Future game, is a lot like this except that the water is polluted with some industrial sludge that builds up on top of the water. To get from building to building the PCs walk over the hardened, dried upper surface of the sludge.
"Man, is there anything Jeff CAN'T do when it comes to gaming? This guy is like a critical 20 every roll. Jeff can bite the heads offa five game geeks, including their sorry-ass DM, and spit 'em into a large duffel bag ONE AT A TIME!...that's just the kind of messed up bastard he is! You think yer a gamer, punk? Well..do ya? Jeff will depants your weasel-ass right in front of your grandma."