Disqus Comments Adobe Muse Widget
This widget allows you to use Disqus Comments in your website.
Place it in as many pages as you want.
Just set your Disqus Shortname to make it work.
Usually, if your domain is http://responsive-muse.com, your Disqus shortname will be http-responsive-muse-com
You can also check your Disqus shortname in some of their platform integration instructions, e.g. WordPress or Joomla.