I don't believe that there is. Assuming that I understood your question right, the stage's background cannot be transparent as the color picker in CS4 for it doesn't have the alpha, and I doubt you could do it with code if you couldn't there.
Assuming you are talking about loading swfs inside swfs.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.