read the discription!!!!!
1st you start priming your model with chaos black.
2nd paint everything bleached bone exept the claws spikes and carapace.
3th paint the teeth skull white and the tongue and eyes blood red.
4th paint the hose and the parts you can look in the gun goblin green
5th go over al the bleached bone parts with devlan mud wash
last drybrush the carapace with skull white or bleached bone (you get the same effect)
if you have tried my paint scheme out or have given your own touch to it please post some pictures and send me a warmail
happy wargaming !!!!