I know this thread was last active Dec -07 but i have some picture that might help cman or anyone else with this kind of bottombracket.
http://happymtb.org/forum/file.php/1/file=65399
Mount the tool (if you've got one, a screwdriver, nail or screw with the right size works too) and start to unscrew (reverse threaded):
http://happymtb.org/forum/file.php/1/file=65400
Remove these (just pull them out):
http://happymtb.org/forum/file.php/1/file=65401
Now it should look something like this:
http://happymtb.org/forum/file.php/1/file=65402
Mount your tool and start unscrewing like in step 1:
http://happymtb.org/forum/file.php/1/file=65403