That plugin allow you to add related links to a post. The idea is to guide visitors by giving them related article that can interest them.
That plugin use one template inc_related_links.html. You can find it in the default-templates directory of the plugin.
You can change that template. In order to change it, copy it to the tpl directory of your theme.
If you manage your theme with the plugin themeEditor, you can see that template in the availables ones.
You can install in many ways.
The content can be automatically added by using the behavior publicEntryAfterContent. You can modify generated content by modify the template inc_related_links.html in your theme.
That plugin define new template tags:
You can find a code example in the installation tab of the plugin page.
You can include it where you want in the template "post.html" in your theme by adding the following code:
{{tpl:include src="inc_related_links.html"}}
You can keep template provide by the plugin or modify the original one in your theme.
Go to the Presentation widgets page and install the widget "Related Links". You can finally change widget's title.
Author : Nicolas Roudaire
You can find helpfull information (in french) on the dedicated page on my personal blog.
License : GPL version 2