Mask with rotator help

I am trying to build a mask that comes in over the last image and just rotates with the animation… I know i can get but, I have been stuck on the way this has to work… I think the it might work if i play with the depths?? I have seen this all over the place…

http://www.kirupa.com/developer/mx/fadegrid.htm it kinda like that, but have to have clips over it…

here is the the file: http://www.dyaddesigns.com/fader.fla

Thanks!!