I like the motion idea....
From the recent "closet light" thread... ( I posted this...)
I was out with my wife, and mother-in-law, and a few of her friends for dinner a few months ago.... "Oh so Mark what do you do?" I'm an Electrician, Yeah, yeah, yeah.... Older woman at the end of the table says, "You don't put lights in closets do you?" I say, "Well only of a certain type and certain distance, blah, blah, blah... She then goes on to tell me that she had a light controled by a door switch in a linen closet. And that one night her son came home with a guest after a night of drinking, and pulled out some blankets for the guest. Some pillows fell down on the light, and that her son, not thinking left the door partially open, or so they think. (Second opinion of the Fire Dept. confirmed.) She wakes up later to smoke detectors going off, and opens the hall door to find flames creeping down the walls and cieling of the hall. Then her daughter opens her bedroom door, and says "Mom, I'm jumping out my window, I suggest you do the same." Little did they know at the time, that the daughter had been jumping out her window into a tree to go out at night for years.... So the daughter gets out with no problems, but this woman (In her sixties at the time.) and her husband (Of equal age) have no escape but to jump from the second story un-aided. The husband breaks an arm, and she a leg. The daughter finds them, and they cant find the brother/son is.... They figure he's still asleep in his room which was on the opposite side of the fire in the hall from them, and the house is quickly becoming fully engaged. So they start thowing rocks through his window, which hit his guest, who is sleeping on the floor in the forehead. The drunken brother wakes up, realizes what is happening, and that they too have no escape other than out the window. He then throws his drunken friend with the head wound out the window, who lands like a sack of cement, and jumps out after / on top of him. The fire consumes most of the house, and starts falling in on itself as the Fire Dept arrive.
Moral of the story... Don't let your drunken son bring home late night house guests, and get rid of that light in the linen closet....