I was watching a show yesterday on Discovery called "It Takes a Thief", it's a great show, it has two ex-home thiefs who help people burglar proof their homes... cool show. Anyway, the homeowner had a Picasso in his closet, so they decided to hang it, and put some sort of an alarm on the back of it that went off when it was removed from the wall. The problem I saw with this, was that in order to put it on the frame, they cut away the dustcover, and put it in a corner of the frame. Sort of defeats the purpose of a dustcover, doesn't it? Has anyone ever seen one of these? And where do you get one?