Related Clues:

• Mona Lisa trademark
• One may be wry
• Sign of pleasure
• One may be sly
• Pleased expression
• ''Let a ___ be Your Umbrella''
• 'Say cheese!'
• Show satisfaction
• Amused expression
• "Cheesy" look?
• "Candid Camera" request
• Wear a grin
• Sign of satisfaction
• ), in an emoticon
• Photographer's word, often