Jascha Dub at UndergroundMedia.org is doing some amazing stuff - he's
got his own linux distribution and has released tons of plug-ins.
He's whipped up a couple of cool Firefox plugins that adds a podcast
search within the browser toolbar for Podcasting News & for Podcast Alley:
If you haven't tried Firefox yet, one more reason why.
Make sure you check out Undergroundmedia.org, and send him a note if
you like the plug-in.