Creating a WordPress Multisite for a client I came across an issue when trying to prevent flash files (.swfs) from being cached (stored by the browser).
WordPress
WordPress Permalink Migration: Windows to Linux
Moving a WordPress blog from a Windows server to a Linux server? Hold on chief, there might be issues!
Blubrry Releases New WordPress HTML5 Podcasting Plugin
When your visitors come to your site and view your post, they will see either a Flash-based audio / video player OR the native HTML5 browser player. This future-proofs your podcast.