My CrackBerry.com Podcast's are mp3 files from iTunes... not sure if it matters, but on my Preferrences > General > Import Settings > I created a Custom setting for MP3 Encoder... like I said I don't know if that makes any difference, but my Podcast files are MP3 types.
It would be nice to have a pc and see what you guys are referring to but I do believe there is an app that allows you to share you itunes library with your phone. I just can't remember the name search itunes on blackberry, it should be findable if you're willing to pay a couple bucks!
Posted from my CrackBerry at wapforums.crackberry.com