An idea for the “ghost”
The ghost angle in this movie is a silly concoction by the screenwriters, and it’s quickly forgotten by the next scene. I think a better idea would have been for a few of the townspeople to see the monster in the woods while he’s still covered in the sulphur. It gave him a spooky, otherworldly look, and he could’ve easily been construed as a “ghost” by the superstitious town folk.
Just a thought.