If your Wal-Mart has the trial packets of Purina Beneful you should be able to score a money-maker for your puppies. These packets are priced at $1 each, pair it with the $2/1 coupon from the 4/29 SS (no size restrictions!) and score a $1 money maker.
Purina Beneful trial packets $1
(1) $2/1 Purina Beneful Dog Food (no size restrictions!) 4/29 SS
Free- PLUS $1 overage towards the rest of your items!
*Look for them around the end caps of the pet department!*