-"Woohoo Bush" for residential and community lots.
-Kitchen knife for murderous housewives and psycho door to door salesmen.
-Shelves, maybe even just storage boxes like a safe for gems and metals.
-A portable Easel that goes in a sim's inventory and works automatically like the guitar or laptop. If a painting is completed it should automatically go in their inventory so they can start another, otherwise it stays mounted on the easel. I was pretty bummed that sims couldn't do this by default.

Others have already been mentioned numerous times.