This was requested by BuddaBelly, so I pulled the files from the latest Shooter ROM and made a flashable zip of them.
This is pretty straightforward; Open the "Media Share" app, and you can view files (from folders of your choice) from your device on any DLNA compliant device on the same network. I was using this the other day at my dad's house to play music from my EVO on his Blu-Ray player. Works pretty well for me.
This is tested on my wife's device running MikG v2.3, but it should work on most (if not all) versions.
UPDATE 9/6/2011: There seems to be an issue with the attachment since the site changed servers. Until that's worked out, you can download the file from here directly: