They are only here for the sex. There are no real couples. They were just people put into an apartment and instructed to fuck their brains out with whomever they could find.
No one will post thumbnails of the blurred ones.
The free thumbnails there would be no real sense to post those.
Give it time someone will figure a way to bypass the blur.
I think he was quoting on the download link that rollerdie had made. If you don't have your pop up blocker set on high, you'll get all kinds of pop ups from that site.