Free Redbox DVD when you buy Post Cereal at Walgreens

Get a FREE one night's Redbox rental when you buy any two Post cereal brands (in one trip) at Walgreens. You'll receive a code on your receipt good for a free one-night redbox DVD rental. Purchase must be made from 7/17/09 to 8/9/09 and the offer is valid from 7/17/09 to 8/23/09.