projector project

[kdk12]

i want to project some animation/images onto a wall with flash, but want a transparent background, so there is no light projected where white/blank space would be.

something like this...
http://www.youtube.com/watch?v=hgqZMgRijXo

is it possible in flash? or do i need some other software?

thanks in advance.

[kdk12]

solved this.. emailed the maker of that piece and he simply filmed the skateboarder on a black background. genius!