Podcasting like WordPress.com: what plugin is it?

Hello,

I host my own wordpress blog. I want it to host a podcast. I followed the rules (https://codex.www.ads-software.com/Podcasting), I have a post for each podcast episode, with the mp3 url inside, simple vanilla WordPress stuff. The RSS feed is okay but lacks iTunes specific stuff (itunes:image, etc.).

Problem is: without this, I cannot add my podcast to iTunes. :/

In WordPress.com’s admin there are more options (https://en.support.wordpress.com/audio/podcasting/): “Settings > Media > Podcasting”. This is not available in self-hosted WordPress. How can I get it?

I looked for podcasting plugins but they are all too complicated, adding specific post types and everything… I just want to add the iTunes specific fields in my RSS.

HALP! ??