Forum Moderators: skibum
If your conversion rate is low, is there a mismatch between your site content and the products you offer?
On all my 'niche sites' I get pretty good amazon conversions, just using their individual item code in the appropriate place on the page. Not a huge income, but easy and quick to set up, and good conversion rate for fairly small numbers of visitors.
Do check that all your amazon links work; if people get duds, they won't try twice.
But really you should be asking these questions at the Amazon forums; very active, and usually very helpful.