Support for this plugin id offered at wp.ypraise.com where a better featured of this plugin is available. The more functional plugin offers shortcode use including individual shortcode attributes.
This version is currently under development. Currently if you opt to use tags then it will only take the first post tag it finds to use as a keyword or phrase. I'm having a few issues with passing multi-dimensional arrays to the api. But the tags option does allow for a little more relevency of products for posts.
If there is no tag set for the post - or if its a page etc - then the sidebar will use the default keyword.
You can find your V3 api password by going clicking on settings and the api credentials in your Affiliate Window account.