You can download a patch file here. It works fine for me, but YMMV.
I’m not the plugin author, but the playlist file is generated in realtime based on the playlist id. I’m not even sure the returned XML content is portable… it probably only works with the jwplayer…
You can find the url by looking at the “flashvars” parameter inside the <object> tag of the flash player in the HTML source – you want the value for the “file” attribute. Note that it is urlencoded, so you’ll need to decode it. It will probably look something like this in the end: http://[hostname]/index.php?xspf=true&id=%5Bplaylist id]
Also, there’s no guarantee the url won’t change with subsequent releases of the plugin.
following up on this, i ended up writing a patch – it’s fairly trivial. more than happy to share if you think people would like this feature
