The files availble in the official thread
http://forum.wdlxtv.com/viewtopic.php?f=50&t=2246contains all labguages standard of official WD 1.05.xx / 1.06.xx plus the specific strings for b-rad firmware.
I added also some new languages (as explained in the thread) that I got from WD TV Live Hub and dapted to WD TV Live.
You can check the status of language downlaoding the langauge kit.