Yeah, very nice piece.  A story told in glimpses.  You could probably get a similar effect using a light gel, certainly.  Not sure if the shadows would be as sharp though.  Be interesting to see it if you give it a go.  Let us know if you do.

Measure your mind's height
by the shade it casts.
Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com