Go here to Keeping Cents to see her list of Walgreens deals and match ups. She shows clipped coupons and printable coupons to match the deals in her local ad. These deals should be similar, but vary by region.
She starts off the list with FREE plus moneymaker deals on Vicks Sinex, Blinks Eye Drops, Melatonin, and Pain Relief Gel. There are also some FREE deals for candy, dish soap, icy hot and ajax.