Related Clues:
- Happy face feature
- Sit for a picture
- Flex one's muscles, maybe
- Ask
- Present a problem
- Thing to do before the picture starts?
- Do some modeling
- Example of model behavior?
- Put forth, as a riddle
- It's uttered before the flash
- Show approval, in a way
- You strike it by remaining still
- Let it be your umbrella
- Grin
- React to "cheese"