godthor

This will create a new widget which will display your most popular posts and pages based on comment count with Disqus. Alternatively, you can use a shortcode as well.
It’s very simple to use. Just drag the widget into a sidebar and configure it, or visit the settings under the WordPress Settings menu.
Just Some of the Options:
<ul>
<li>Show featured image.</li>
<li>Choose featured image size.</li>
<li>Choose featured image alignment.</li>
<li>Show the post date.</li>
<li>Select how many days to check, IE: past 90 days.</li>
<li>Set how many posts to show.</li>
<li>Save the results for faster loading.</li>
<li>Load results using Ajax. Perfect to avoid caching results.</li>
</ul>
Note: This plugin requires you have an application registered with Disqus: https://disqus.com/api/applications/ 
It’s free and simple to setup, just follow that link.

Disqus Popular Posts

Creates a widget to show the most popular posts and pages on your site based on Disqus comments. Can also be used with a shortcode.

ovann86

Display your latest Disqus comments in a page, post or widget.
How do I use it?
Step 1: register for an API key
To use this plugin you need to register for an API key.
<ol>
<li>Go to the <a href="https://disqus.com/api/applications/" rel="nofollow ugc">Disqus applications website</a> and log in</li>
<li>Click on the ‘registering an application’ link</li>
<li>Enter the required information – label, description and website</li>
<li>Click the ‘Register my application’ button</li>
<li>Click on the ‘Details’ link at the top of the page</li>
<li>Scroll down to the ‘API Key’ field and copy the value into the setting above</li>
</ol>
Step 2: install and setup the plugin
<ol>
<li>Install and activate the plugin</li>
<li>Browse to the ‘Settings’ -> ‘Disqus Latest Comments’ menu</li>
<li>Add in your Disqus shortname and API key</li>
<li>Include the [disqus-latest] shortcode in the page, post or widget where you want the latest comments displayed</li>
</ol>
What options are there?
<ul>
<li>Number of comments listed</li>
<li>Show or hide avatar images</li>
<li>Show or hide moderator comments</li>
<li>Size of avatar images</li>
<li>Use relative (1 day ago) or absolute (1/1/2000) time</li>
<li>Comment length to show</li>
<li>A choice of three pre-configured styles – grey, blue and green or the ability to use your own custom CSS</li>
<li>Ability to bypass caching (for debugging)</li>
<li>Ability to bypass page level caching – lets you display new comments when using a caching plugin</li>
<li>Ability to make linked Disqus usernames open in a new window (target=’_blank’)</li>
</ul>
You can see a working example of the plugin at <a href="http://www.itsupportguides.com/latest-comments/" title="www.itsupportguides.com latest comments" rel="nofollow ugc">www.itsupportguides.com</a>.

Disqus Latest Comments Addon

Display latest Disqus comments in a page, post or widget

Disqus Popular Posts vs Disqus Latest Comments Addon