I wonder if yp2 will list streams using hostname instead of IP in the directory. This seems so trivial to me. If you had an extremely large stream and you were bookmarked and had to change IP addresse ...
I found an old forum post (http://icecast.imux.net/viewtopic.php?t=324) which asked a question about including external XML files for cleaner configs with lots of mounts.
I added a couple new listen-socket directives to try and setup a mount which uses mountpoint / (to be like a Shoutcast server) just on a certain port. However the listen socket doesn't seem to get pic ...