Random background images? How?

[stan <stanb awod com>]

I'm using Gnoe with Sawfish as my window manager.

Given a directory containg a number of JPEG images, is it possible to have
a random one selected fro my background image each time I log in?

If so, how?

-- 
"They that would give up essential liberty for temporary safety deserve
neither liberty nor safety."
						-- Benjamin Franklin