Last week I posted about PetSmart Facebook fans receiving a free can of Innova cat food. Well, pups, don't feel left out - now is your chance to get a free can of dog food! Right now Facebook fans of PetSmart can print a coupon for a FREE can of Innova dog food! Not a fan yet? Simply "Like" PetSmart on Facebook to print this coupon and receive exclusive future offers and savings!