im afraid you will have to find sound files for each mob by your self unless some 1 else has them
the only way i have found to get them to work is by removing older mob sounds and updating them
open sound.lst located in the Wav folder in a txt editor
search for wav\1710-1.wav which is the sound file for WG
the numbers at the begining represent the mobs appr which link it to a sound file.
so to make the first ledu mon sound like a WG replace what is alredy there with this:
3200:
3201: wav\1710-1.wav
3202: wav\1710-2.wav
3203:
3204: wav\1710-4.wav
3205: wav\1710-5.wav
and to make the next mon sound like a WG find any other mob you dont need the sound to and replace it with this
3300:
3301: wav\1710-1.wav
3302: wav\1710-2.wav
3303:
3304: wav\1710-4.wav
3305: wav\1710-5.wav
oviously if you want a different sound file just replace the bit labled wav\1710-5.wav to a different file in that directory.
hope that helps you