This plugin is made for you if you use Amazon Affiliate links (aka Amazon Associates, Amazon Partenaires etc.).
comment2tweet is a WordPress plugin which will automatically post new comments from a WordPress blog to a twitter account. The comment posted to twitter will be an excerpt 140 characters long, and includes a short url link back to the comment.
Simple and rapid technique to hide your affiliate links.
Instead of quickly giving up when a visitor reaches a page that doesn’t exist, make an effort to guess what they were
after in the first place. This plugin will perform a search of your posts, tags and categories, using keywords from the requested
URL. If there’s a match, redirect to that page instead of showing the error. If there’s more than one match, the
404 template can use some template tags to provide a list of suggestions to the visitor.
Grabs Snooth.com Wine Ratings and adds them to a sidebar on your WordPress Blog using the Widget engine.
Automatically displays possibly related posts at the end of each post.
Easily disables the visual editor globally.
This WordPress plugin allows you to use Amazon’s Simple Storage Service to host your media for your WordPress powered blog.