I found this interesting looking podcast download tool that might make a good addition.
app name: gPodder
url: http://gpodder.org/
licence: GPL v3
discription:
Download free audio and video content ("podcasts") from the Internet and watch it on your computer or on the go.
Available in most Linux distributions, FreeBSD, for Windows, on Nokia Internet Tablets (N800 and N810) and on the Nokia N900 mobile computer.
Features
* iPod, MP3 player and mobile phone support
* RSS, Atom, YouTube and Soundcloud feeds
* Focus on Usability
* Integrated with the my.gpodder.org Web Service
* User interfaces: GTK+, Maemo 4, Maemo 5 and CLI