Pankaj Jha

Vietnam Indexing

<a href="http://onlinewebapplication.com/wordpress-seo-internal-links/" rel="nofollow ugc">Plugin Home Page</a> 

SEO Internal Links plugin provides automatic SEO benefits for your site in addition to custom keyword lists, nofollow and much more configurable options. SEO Internal Links can automatically link keywords and phrases in your posts and comments with corresponding posts, pages, categories and tags on your blog. In case the plugin finds more of once the same word in a post, it will only change the first one. This is to avoid black seo and inconveniences to the users. 
 
This plugin is no longer support by author “masdiblogs” so Vietdex Teams fixed it to work in PHP5.4 and php7. So many People still use this plugin, at least our team ! 
 
It’s a year from the last this plugin was updated, until it is updated again in the future, we need fix all problem in php5.4 and php7. So this plugin is modified by Vietdex team. It’s very important to replace old plugin with this plugin until author update his plugin.
<ul>
<li>Works on all modern browsers.</li>
<li>Work With all the cache plugins.</li>
<li>Simple configuration.</li>
<li>SEO Internal links allows you to set up your own keywords and set of matching URLs. </li>
<li>SEO Internal links allows you to set nofollow attribute and open links in new window.</li>
<li>Perfect solution to get your blog posts interlinked or add affiliate links to other sites.</li>
<li>Edit the options from the administration settings panel.</li>
<li>Custom keyword lists</li>
</ul>
<h4>Credits</h4>
<ul>
<li>Smart Links By <a href="https://profiles.wordpress.org/freediver/" rel="nofollow ugc">freediver</a></li>
<li>Modified and fixed all bug by <a href="https://vietdex.net" rel="nofollow ugc">Vietdex Teams</a></li>
</ul>

SEO Internal Links Revisited

SEO Internal Links plugin create internal links for your site automatically, base on keyword, tag, category, nofollow or many other features.

Gennady Kovshenin

Dugonja

This plugins embeds image links in comments with the img tag so the image are visible in your comment timeline.
Image formats supported: 
1. .jpg 
2. .gif 
3. .png
You can specify your comment width so the images are fitted nicely. Images are not hosted on your server neither this plugin pickups any data.
Do note that people can link extremely large images and your page loading can be compromised because of that.
Demo: 
<a href="http://www.ascic.net/embed-comment-images/" title="Embed Images in Comments" rel="nofollow ugc">Embed Comment Images</a>

Embed Images in Comments

Plugin contains a security issue. Do not use right now.

Updated: very simple and to the point :)

Simple

Embed direct image links in your comments with an img tag.

SEO Internal Links Revisited vs Embed Images in Comments