How to add or alter your Google Checkout Shipping Setup:
1) Go to google.com/checkout and sign in.
2) Click on "My Sales".
3) a. Click on Settings.
b. Click on Shipping Setup
c. Click on "add a shipping method".
4) Choose the shipping method you prefer, and then click on "Save".
5) Fill out the necessary information for the shipping method you have chosen. Scroll down and click "Save".
6) You will now have the shipping method saved as the name you chose for it.
You have finished creating a shipping method.
7) You may click on your shipping method's name if you wish to edit or delete it.