I'm not real picky about this one. I just want there to be zones where players can move/place/pickup furniture. You should only be able to place furniture on tiles where you can step on, for obvious reasons like not placing chairs on the wall.
Something like this? -->http://www.youtube.com/watch?v=XIF7948UhNo (http://www.youtube.com/watch?v=XIF7948UhNo)
The script is still in progress but his autor (game_guy) is on this forums.
Perfect!
The script will be out soon hopefully.