I have a manual pulldown da-lite screen. I'm looking for ideas to build a motorized masking system. I would get up to pull down the screen, insert the DVD into the player and then sit down and control the masking system from my remote. I've seen a couple of designs but they involve fixed screens and mine is not. Also, the more basic the design the better due to the fact that I'm not too handy. I remember when it was as simple as sticking a couple of boards to my 32" TV with velcro to mask the black bars. Now with a projector, it is not as simple. Any ideas will be deeply appreciated. Thank you.