Apparently, the diary room has encouraged them to question Dan about whether he's a plant. This is why we're continually seeing the cams go to fish.
Before Jerry walked in, though, Ollie said that the reason Dan made such a big deal during the HOH competition about seeing Monica was so they'd see the "phony" picture. Michelle is now pissed that she was put up instead of Ollie. "It just doesn't make sense." Yeah, right.