They are a persistent bunch, but now they don't get to make too many posts before they get zapped. That first one a week or two ago, I flagged 119 posts! Last night, only ten on one and two on another. Once others join in, these guys will be banned before the timer clicks to allow them to post their second bit of spam.
One bit of forum weirdness that's annoying, is that their topic titles still show up on the Home page even after the post is long gone (even as of right now I can still see the "gay love spells" title there)...