Possible Clues:

• Piece of cake that might produce wind
• Little wind, plain sailing
• A piece of cake or French cheeses picked up
• Little wind, plain sailing?
• Little wind for walk in the park?
• Piece of cake and cheeses for the audience
• Gentle air current
• Air gently moving for walk in the park?
• Walk in the park, breath of fresh air?
• It's a wind-up? That's too easy!