Libsyn
From MusicTechWiki
This is just a little widget for Libsyn, this text will be visible when you "look" at the widget. Add {{#widget:Libsyn|id=<the Libsyn id>}}
to the page you want to use it on. For example:
{{#widget:Libsyn|id=24721803}}
The id can be found in the embed code of the podcast. Look for the following in the code /embed/episode/id/########'s.
src="//html5-player.libsyn.com/embed/episode/id/24721803/
Those numbers are the id of the podcast.