Great News! With PlyCast and Phyton, everything is possible! To Post the full Playlist to a Webserver you have to create a Python-Plugin to grab the playlist.plym (simple XML) in the root folder and send them via POST to a Website. In PHP you can write a little Script to catch the current Time or whatever you want.
In the next Release, we prepared some Tags to send them as Querystring.
The Release is coming soon.