Hey Jim,
"that's the issue. I only release an image for advertising use with the proviso that my by-line be visible in the ad or, if they crop the photo, that they put in a line "photo by CPM" somewhere at the bottom of the ad."
So if you insist that the rights to your work be respected, you get banned? That is pretty sad, but I am not so naive to think that it does not ring true. Will you receive any sort of financial remuneration for this?
-James