CROWLEY!
And some more photos (taken 7/9):
Apparently on-set there was "a fake play ground set up with the the same monkey bars they used in 'Something Wicked'"
And they also have "have a fake stone wall up and they have a bunch of fake grave sites in there aswell..."
Oh and Jared was spotted too, and also that dude directing the episode:
set report here more photos here