Free Organic Yeo Valley Milk (1 litre) with every Grocery Order from Tesco.com
It says in the T&C that the offer will work 6 times but havent tried it yet.
The Link is above the "Shopping basket" text on the right.
* This offer can only be redeemed up to 6 times per order and from this page only.
* Subject to availability, whilst stocks last.
* The discount(s) will be shown on the checkout page and on your till receipt in the your payment section.
* Applies to deliveries by 25/03/2008.