William P. Davis

This plugin will automatically links to terms in your content to that term’s page. Can be used for tags, categories and custom taxonomies. Based on Chen Ju’s Automatic Tag Links.
The plugin will only match full words, so if you have a term called “World” and use the word “worldwide” it will link not link world. Furthermore, if you have the term Worldwide Imports it will link the longer term first.
<h3>Upcoming features</h3>
<ul>
<li>A better way to store terms in order to ensure better performance and more consistent linking.</li>
<li>Only link terms with more than x posts.</li>
</ul>

Terms to Links

This plugin will automatically link term names in your content to that term's detail page.

Gecka

Have you ever wanted to have thumbnails support for your categories? Have you ever used a plugin that implements some sort of custom taxonomy or custom categories but no thumbnail support?
Then, that plugin is for you. Using it you can manage the images thumbnails of your categories. But not only, you can set it to enable thumbnails for any other taxonomy’s terms, even taxonomies created by other plugins.
You would like to support us? Go over <a href="http://gecka-apps.com" rel="nofollow ugc">at our website</a> and check our great premium plugins.
Want to contribute? That plugin is on <a href="https://github.com/Gecka-Apps/Gecka-Terms-Thumbnails" rel="nofollow ugc">GitHub</a>

Gecka Terms Thumbnails

Manage thumbnails for categories, tags or any other taxonomy's terms of your Wordpress website.

Terms to Links vs Gecka Terms Thumbnails