Dear zandyring. Thank you for helping us out with this issue. However, I do not agree with you on this statement:
... so it turns out that this is working as designed... it's pulling the title for images, not incorrectly naming the podcast.
It looks at the HTML for the post and looks for all the Images and then sets the title based on the tags that appear in the generated HTML giving priority to the title attribute over the alt attribute
If it pulls the title of an image as the post title, then each episode of the podcast is indeed being incorrectly named. I have a podcast setup form an independently hosted WordPress installation and the feed that it is outputting does not include any of the additional
Please see if it possible to clean up the XML outputted from WordPress.com, or at least include the option to output a "simple" feed without any unnecessary information such as gravatars and images.