Custom icons from script

[Andrew Joyce <joyce webcreations ca>]

Can someone please advise me as to how I can automate setting custom 
icons for a series of folders?  I would like to do this from a 
shell/python/perl/etc script.  I have about 200 folders all with images 
in them named as "Folder Name.jpg".  I have tried to explore Bonobo as 
it appears this is how Nautilus manages the metadata, but I am having 
trouble finding documentation on Bonobo, as well as an API reference for 
the methods I need to use once I actually make contact with the Bonobo 
control.  I am hoping someone here can help me get started on the 
correct path because I feel utterly lost at the moment.

Thanks,
Andrew