The photo is which Atsuro Watabe, Makiko Watanabe, Hikari Mitsushima and Takahiro Nishijima are holding the giant crucifix is pinned on a board on the wall.
The key character "Miss Scorpion" is a spoof of Meiko Kaji's famous Female Prisoner Scorpion, who played this role in four movies and whose trademark was the floppy black hat.