Working models?
Else clues• Baffling problems
• Baffling questions
• Brainteasers
• Conundrums
• Enigmas
• Modeling pros
• Models or puzzles
• Photographic subjects, often
• Portrait sitters
• Puzzles
• Riddles
• Stumpers
• They get shot
• They're playing to the camera
• Tough nuts
• Tough nuts to crack
• Tough ones
• Tough puzzles
• Tough questions
• Tough questions for sitters
• Toughies
• Tricky puzzles
• Wannabes