Speeddymon

Shows Pingbacks and Trackbacks above Disqus comments.
All credit for the functionality of this plugin remains with the original creator, Marco Luthe of http://www.saphod.net 
Additional credit to Scottsdale Computing (http://theitbros.com) for some formatting changes they made when posting this on their site 
This was originally created as a theme modification. It has been turned into a plugin by myself, Thomas Spear.

Force Ping Display with Disqus

Shows Pingbacks and Trackbacks above Disqus comments.

Ron Zvagelsky

Integrates with the Disqus API to show your most popular threads (most commented posts). Can be added via sidebar widget, template tag, or shortcode.
<a href="http://presshive.com/plugins/disqus-popular-threads-widget-for-wordpress/" rel="nofollow ugc">For more information or to request additional features, please visit the plugin page</a>

Disqus Popular Threads Widget

Shows your most commented posts from Disqus via widget, shortcode, or template tag.

Force Ping Display with Disqus vs Disqus Popular Threads Widget