Podracer (cool prog for you're rss and podcasting sites)
freshmeat.net: Project details for Podracer: "Podracer is a podcast downloader. It takes a file with the URLs to all your podcast RSS feeds and retrieves the MP3s and stores them in a specified location. It includes an internal BitTorrent downloader. It has a catchup feature which updates the log without downloading all podcasts. It can be run as a cron job to automatically receive podcasts."