10 Room Divider Ideas For Your Home Old Windows as a Room Divider - Here is a fantastic way to use salvaged windows. Hang a set of old windows from the ceiling to serve as a room divider. (Via Popsugar)
Apartment Friendly Idea: Screens instead of changing wall colors. Find a DIY version to make it even cheaper and you can get creative. Probably not expensive with the right wood or old window frames, material, a staple gun and whatever else.
Handmade Primitive Room Divider / Movable Wall / Screen made from Antique Looking Wood - 5' 10" Tall with Three Panels - Beautiful