Beat the following episodes to unlock a new set of pictures in the Additional Stuff menu.

"The Fruits of Our Labor" set: Get Super Stiff rank on Episode 17

"Got T*tty" se:t Get Super Stiff rank on Episode 13

"Eye Candy" set: Get Super Stiff rank on Episode 9

"The Girls of Summer" set: Get Super Stiff rank on Episode 5

"Behind the Scenes" set: Get Super Stiff rank on Episode 1

"Boobs, Babes and Boobs" set Get Super Stiff rank on Episode 20