Great question — answering as the UphillTech team:
Yes, it is possible but Amazon does not help you with this. I use this on Neocamera . Once registered with all the Amazon programs of your choice you need to use each of them to create the banners you need. It is easiest if you use categories (Electronics, Books, DVDs, etc) instead of products (BBC Earth, Lord of the Rings DVD, etc) because there is more chances of having something that matches on multiple sites. Categories do not always exist though, for example one Amazon will put cameras in the Photo category and another will put it in Electronics. Also, MP3s and Downloads only exist in some places. Put the generated banners somewhere such as database along with the country code. Each...
Full answer by Itai: https://webmasters.stackexchange.com/a/11697 (CC BY-SA 2.5).
Need it done for your business? UphillTech.
