Possible Clues:

• One had to put up with cats and dogs
• Let a smile be yours
• Lure lamb in out of the rain
• It protects against the rain
• Let a smile be your ... (song)
• It's not fair for one to use this
• Something ungrammatically spoken between oneself and the heavens?
• Type of pine tree
• 'An - might pacify barbarians abroad' (William Plomer)
• Let a smile be yours, as the song advises