Here's a neat article about a cuttlefish build
http://reefcentral.com/forums/showth...readid=1245638
I guess if it was my nano I would stock it with fire shrimp, cleaner shrimp, maybe some feather dusters, pom-pom crab and corals of course. Or maybe even go with a really pretty colored small lobster. (if it will stay small) Or maybe dwarf seahorses if you don't mind hatching out live food daily.