he's cumfused as he puts it, Marianne, because exactly what you fear is what he does at his forum, so no, he doesn't understand it, nor does he care. He may not be ripping off your images, but look at all the sets of other peoples images they post links to. He's a cheap bastard. A self proclaimed cheap bastard, if I may be so bold!
I'm no idiot and this is not my first day, and I'm quite aware of this type of activity going on all over the net, but for these girls, it's a little more personal and not all of us condone it, nor participate in it.