Are you trying to wrap the playlist url in another playlist that you are hosting on a web server. If so, this will not work. See my answer to your other post.
Have you tried playing the stream on an iPhone/iPad/iPod touch? All of this does work. The guide for vod playback is here. I would start with Extremists video and get that working. Then move on to your own content:
http://community.wowza.com/t/-/64
Charlie