Helpful people!

http://forums.slimdevices.com/showthread.php?53229-Announce-BBCiPlayer-Plugin-%28UK-only%29&p=834617&viewfull=1#post834617

/var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/BBCiPlayer/BBCXMLParser.pm

/var/lib/squeezeboxserver/cache/cache.db