old screen door cabinet - would make a great pantry! Would also look good with a wood door cut in half for 2 doors. I'd say make this and attach it to outside of the house for an outdoor garden tool closet!
Room Divider made from old doors. Wheels make it easy to move. Click the pic for many more DIY home decorating ideas. -- this would be a good idea for a studio apartment to separate the bed from the kitchen/living room area