Here's one I've never posted on any forum, its certainly subject to interpretation, but my opinion is, after countless enhancements and really studying this image for a while, I concluded simply, this could be possibly another confirmation of the lunar ruins:
This is the original:
Heres a simple enhancement, the background suddenly shows this really weird "stuff":
Now this is one of the areas you should pay close attention to, and note that this has not been enlarged, rather this is a crop from the original full size:
Is there something really there? Are these shards or glasslike remnants from ancient inhabitants of the Moon? who knows.
Original HiRES can be found here:
http://mix.msfc.nasa.gov/abstracts.php?p=1949
I'm done for today, hopefully more tomorrow or whenever...