A friend sent me this. Be warned if you're watching at work/school the music bit gets quite loud especially if you've turned the volume up to hear the spoken words at the beginning. http://www.weebls-stuff.com/toons/special edition/
That's quite cool, there was a thread a while back with the badger stuff on, starting with a Christmas one: http://www.terrypratchettbooks.org/fortopic463-0-asc-0.html - then Sleepy Sarge listed a few of them (including the Helm's Deep one)in this post: http://www.terrypratchettbooks.org/post11671.html