Do you collect points for the Pampers Gifts to Grow program? I do, and as of last night my account is 10 points richer - without my buying a single pack of diapers.
Get your 10 free points by entering WEAPPRECIATEU08 where you would normally enter the code from the Pampers package.
And until December 31st, shipping is free on all rewards. (They also offer free shipping on select gifts year-round.)
I'm saving up my points for either a free pack of diapers or a gift card, and those 10 points just put me that much closer to my goal.