Unless I've got my angles totally wrong, it looks as though the footage of Bean descending the ladder was taken from that camera, or at least a point near to it. So that can't be what is visible on the far side of the LM.
Once again, I am certainly not advocating any kind of conspiracy theory, I am just genuinely curious.
I did look through the A12 magazines on Flickr a few days ago (when I thought it was A12, and before I got misdirected onto A11!) but I couldn't find anything visible in the right area.