Coming Soon has relayed a group of pictures surreptitiously taken at the filming of Harry Potter and the Deathly Hallows. For those who haven't read the book yet, the pictures are spoilers for the ending, so click with care. One pic I can show you here is this one, which was taken outside of the shooting location as some of the lead actors made their way in from their cars:
Just so we're clear, these are pictures of actors using grey blankets to hide their makeup jobs from the public. These are not spoiler pics of actors whose characters have been transformed into Dementors.