RobMarsh

Highlight Author Comments automatically displays comments made by a post’s author in a distinctive style with no need to edit your template files, etc. All you do is provide a snippet or two of CSS styling to be applied to author posts.
<h3>Version History</h3>
<ul>
<li>Version 1.0.2
<ul>
<li>Workaround for WP bug that failed to style the first paragraph as a paragraph</li>
</ul>
</li>
<li>Version 1.0.1
<ul>
<li>Added the ability to style the comment author link</li>
<li>Added some security with nonces</li>
</ul>
</li>
<li>Version 1.0.0
<ul>
<li>Initial version</li>
</ul>
</li>
</ul>

Highlight Author Comments

Highlight Author Comments automatically displays comments made by a post's author in a distinctive style

i.lychkov

Highlight unread posts on your blog.
Key features:
<ul>
<li>Works right out of the box</li>
<li>Uses cookies, no authorization required</li>
<li>4 different types of markers for highlighting posts (a “new” text label, 
an orange circle, etc.)</li>
<li>Customizable background color for unread post titles</li>
</ul>
There’s a setting to determine when a post should be considered read. You can pick one of the following:
<ul>
<li>after it was opened</li>
<li>after it was displayed in the post list</li>
<li>after opening any page of the blog</li>
</ul>
Functions available for theme developers:
<ul>
<li>mnp_is_new_post($post) – check if a post is unread</li>
<li>mnp_new_posts_count($query) – get unread posts count</li>
</ul>

Highlight Author Comments vs Mark New Posts