If you have a door that sticks to the door jam after painting just put a light coating of vaseline, hair conditioner or baby oil on the edges. Works every time.
Cleaning Candle Wax from Candle Sticks
Fixing a Door that Won't Stay Open
Fixing a Squeaky Door
Removing Hair Dye from a Painted Door?
Fixing a Shower Door Latch?
Uses for Popsicle Sticks