jgwhite33

Allows you to insert a listing of related Amazon products, on the single post page by using a custom field called amazon_search and inserting simple code in your template file. 
The listings are completely customizable according to parameters defined in the admin panel. If you include an Amazon Associate ID, you can even earn commission! Also allows you to share revenue with your authors on a multi-author blog. Whoever wrote the post gets credit in the listings. Creates a custom field on the author profile pages so they can input their campaign ID. Whoever wrote the post gets credit in the listing.
A few of the features:
<ul>
<li>Specify the search with a custom field in the post called amazon_search</li>
<li>Allows you to use the Amazon Associate Network</li>
<li>Allows multi-author blogs to share revenue, you can even specify the percentage to share</li>
<li>Can share revenue with the author of the post if you desire</li>
<li>Uses advanced search parameters</li>
<li>Display is easily customizable</li>
<li>Hides the affiliate link to Amazon</li>
</ul>

WP Amazon Ads

WP Amazon Ads - allows you to easily insert Amazon product listings into your WP posts, and earn commission from sales.

itcoderr

When it comes to Blogging and online publishing, WordPress CMS is the go-to choice for individuals and large multi-authors publications. While managing your website, It would be hard for you to maintain and manage multiple contributors working on the same article. “Post Co-Authors” Plugin will help you to add multiple authors within same post, which makes the Job lots easier for you to track.
Add writers as bylines without creating WordPress user accounts. Simply create a user profile for the writer and assign the byline as you normally would.

Post Co-Authors

Post Co-Authors plugin allows you to select more then one authors in any post or custom post type.

WP Amazon Ads vs Post Co-Authors