At the moment they have a "Customers also bought" section, bottom right in itunes. And you can become an affiliate for the itunes store: http://www.apple.com/i

At the moment they have a "Customers also bought" section, bottom right in itunes. And you can become an affiliate for the itunes store: http://www.apple.com/itunes/affiliates/ http://www.apple.com/itunes/affiliates/