My first attempt at a simple podcast using audacity on Linux and posting it to garageband.com
Not only can you host unlimited mp3 files on garageband, but they have this simple flash player as well:
Here's to your podcasting future. As I will be returning from Japan on the 20th, I plan on subscribing to a ton of podcasts with my iTunes via Codewavers' CrossOver on Linux so that I don't have to watch the same shows and listen to the same audio shows again and again. Now I just need a recommendation for a good way to recharge my computer on the plan because it is a 17 hour flight from Nagoya to Chicago.