I've got some nice effects when using a lightdome or light *sliver* for a directional soft shadow.

This image actually used a dome of lights. Sunlight was disabled but the sky was still there and set to "soft sky" - and this was in Bryce5.5.

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

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com