I report his posts constantly, the one I linked to above still hasn't been removed despite the fact it is so clearly spam.
The other thing is he posts trash in almost every thread and it's difficult not to ignore him because people reply to him with semi-half decent posts sometimes, or sometimes people will have to and fros with him, asking him to justify himself which he's never done. Look at the junk in my blog from him.
Keep in mind though I just think he should be banned, I don't think he deserves a load of abuse back from EVERYONE, because for one he knows what he's doing is wrong and I've told him this, but secondly he could very well be a vulnerable person.