This is a plugin that will display archived MP3 files for specified Talkshoe calls and shows.
Yes, to use this plugin you do have to be running the WordPress.org self hosted script.
Nope, must be WordPress, sorry!
For errors regarding SimplePie, go to line 96 in the wp-tsarchives.php code and remark out this line (with a // at the beginning of the line) or remove the remark, depending on which error you receive. Some plugins are already using the SimplePie include and this cannot be loaded again, so reamrking out this line will correct the error and allow the widget to function. If SimplePie is not already installed and being used, then this line must be unremarked.