With amazon auto product widget plugin, you can display your amazon product on your sidebar widget. Make sure your hosting is more powerful, before you use this plugin :).
Thank you for using my plugin. for more info visit me on
http://seegatesite.com/how-to-create-an-attractive-auto-amazon-product-widget/
Upload the amazon auto product widget plugin to your blog, Activate it,this plugin will be replace at appearance->widgets .You're done!