I thought he said - effectively - that it's a scan of a film photograph, and people who looked at it couldn't say whether it was doctored or not. Presumably the original negative would clarify the matter.
People seem to be missing the fact that this
the house in question, where it seems the photo was taken:
[qimg]http://www.internationalskeptics.com/forums/imagehosting/thum_335705dd59d92d5166.jpg[/qimg]
With the garage obviously on the ground floor, I would expect the main living space to be on the first floor, and the bedrooms upstairs. I doubt anyone who visited socially would have hung out in the garage, but being on the first floor only would still mean they'd not been upstairs to the second.