It looks like they are having some trouble with that mod, but that is to be expected as it is a new release. Did you try the manual install like the guy in
this thread had to do?
I've not had to deal much with spammers in my forums (three pharmacy guys who are probably the same person), but my old fake blog got hit constantly until it was captchaed, some days I had more spamposts than visitors I'd get in a week.