This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.


Message Flow provides you with a shortcode you can use on your posts and pages to display your posts in a JavaScript widget powered by ContentFlow.

It even supports podcast integration with PowerPress and external podcast feeds.


Show the ten latest posts:

Show the ten latest podcast episodes:
[message_flow podcasts_only=”true”]

Show the five latest posts from category number 11:
[message_flow numberposts=”5″ category=”11″]

Show the three latest posts from an external feed:
[message_flow numberposts=”3″ feed=””]

Disable excerpts:
[message_flow show_excerpt=”false”]

Default parameters:
[message_flow numberposts=”10″ category=”” podcasts_only=”FALSE” download_link_rel=”” permalink_link_rel=”” show_excerpt=”TRUE” excerpt_length=”10″ readmore_text=”Continue reading…” order=”DESC”]

Defining the thumbnails (Album Art)

The thumbnails used in the widget are taken from the posts’ featured images. In the event that a podcast does not have a featured image available, Message Flow will check the following locations for a suitable fallback image:

  1. A URL to the fallback image in the shortcode: [message_flow fallback_image=""]
  2. If you’re using the PowerPress podcasting plugin, the default image will be taken from the iTunes image. PowerPress users can configure this in the “iTunes Feed Settings” section of PowerPress’ configuration. (/wp-admin/admin.php?page=powerpress/powerpressadmin_basic.php)
  3. In your theme’s directory. Just make sure it’s 165 pixels square and named “unknown-album_165.png”


  • Simply add the shortcode to your post or page
  • The Message Flow widget will be placed wherever you put the shortcode


Extract the zip file and drop the contents in the wp-content/plugins/ directory of your WordPress installation and then activate the plugin from the “Plugins” page.


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Contributors & Developers

“Message Flow” is open source software. The following people have contributed to this plugin.


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Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • Released on 06/14/2016
  • Tested for WordPress 4.5+
  • Added shortcode option message_flow.
  • Shortcode option message-flow still supported, but keep in mind message_flow is preferred. Shortcodes with dashes also match shortcodes before the slash, e.g. message is also a shortcode when dash is present. Underscore does not have this problem.


  • Added excerpt_length and readmore_text parameters to shortcode


  • Fixed undefined variable warning when WP_DEBUG is enabled


  • Automatically truncate long posts so widget doesn’t become too large
  • Added “show_excerpt” parameter
  • Fixed “Invalid argument supplied” warning


  • Added support for regular posts that lack an associated podcast episode
  • Added “podcasts_only” parameter: [message_flow podcasts_only="true"]


  • Fixed bug where post content would be inaccurate for some episodes within widget


  • Fixed WP_DEBUG errors that appear when site has no podcast episodes


  • Fixed WP_DEBUG errors
  • Added screenshots
  • Added more usage examples


  • First public release