The landscape of e-commerce is changing and Amazon.com Amazon.com is one of the companies on the forefront of those changes. Traditional affiliate marketing (which they pioneered) is so called old school. Using Amazon's Web Services, you can bring their store to your store.
For the better understanding of AWS you can use Jaaps Free Amazon PHP Scripts This page describes PHP scripts that can interface with the XML version of Amazon's Web Services (AWS).
It also contains links to more information about PHP and AWS and to sites with other scripts.
Jason Levtt has written a book the awsbook.com AmazonLib is a PHP library for use with Amazon.com's E-Commerce Service 4.0 and Seller Services (AIMS and Merchants@). It includes a useful XML parser and scripts that illustrate the Amazon APIs. The scripts are described in a book: awsbook.com
well, at the moment we have some Nuke- and osc2nuke-Modules with Amazon-services - featuring a bunch of nice and powerful Amazon-services - here a roundtrip: