OsCommerce New Field to product + Amazon Payments & Google Checkout added to 2 oscommerce sites

We have 2 oscommerce sites needing minor maintenance and updates. 1) One site has a bug on one product. A text field that is input by the customer but it does not get saved to the order, we need it saved/displayed in our order page. 2) We need google checkout installed on both oscommerce sites 3) We need Amazon payments installed on both oscommerce sites Please send us examples of your oscommerce project work, examples of sites you have installed google checkout and amazon payments.