Jerry Nelson, who sells various modeling products, recommends spraying the woodwork with Aqua Net hair spray. He says it helps any covering, film or fabric, stick better. He says it has to be the old fashioned Aqua Net and not one of the modern desginer hair sprays, because Aqua Net apparently has some lacquer in it. That's why grandma's hair never moved even in gale force winds. I do not know how true this is but it might be worth trying.
http://www.nelsonhobby.com/covers.html scroll down to "Model Preparation"