Spam is sneaking in all sorts of ways. I had see some of my writing in a comment turn to links. Links lead to unrelated sites. Maybe we can post link here when we see the spam on the site to help out.
This spammer posted here
http://audiokarma.org/forums/showthread.php?t=648343
This spammer posted here
http://audiokarma.org/forums/showthread.php?t=648343