Sad to say for any Katharine Isabelle fans out there, this scene indeed employed the use of a body double, a young lady named Tammy Morris to be exact. Poor Joey just cant get a break. You're currently viewing a stripped down version of our content. Unless Freddy had a tripod and a camera with the timer because no one else was certainly going to take the pics for him. The underwater view of her bare breasts are a body double, but the nip slip at the end is all her.
As for Quentin looking at all the pics, is it possible he was checking to make sure he wasn't in any of them.
A Nightmare on Elm Street 4 (1988) Nude Scenes
I never got that impression. I think it was of him either molesting Nancy or having her pose for like child pornography. While laying down watching MTV his waterbed starts to rock uncontrollably. That would explain the look of pure disgust. In the infamous bathtub scene Heather is attacked by Freddy who pulls her into and ultimately under the tub.