30% OFF everything in their photo department. Luckily I have a ton from the 4th of July to print up.
So upload some photos, make a collage, create a poster, personalize a mug or mousepad, or slap a pic of your kid on your cell phone case. All of this is already reasonably priced, so with the extra 30% off it's really reasonably priced.
Click here to see the deals at Walgreens.