Possible Clues:

• Puff - it's easy!
• It's very easy to do in a light wind
• French cheeses, so people say, produce slight wind
• Faint stirring of the air
• Proceed easily
• It's rather a blow to make blocks of it
• Simple task a breath of fresh air
• A blow from this will reduce it to ashes
• All you need to fly a kite - it's easy
• Easy wind to block