Thanks, Blackstone - no higher compliment!
And thanks too, TheWorker. The inspiration for the goblin colours comes from Alan Garner's The Weirdstone of Brisingamen (along with a general notion as to what subterranean humanoids might actually look like):
"Some had pug-noses, others thin snouts reaching to their chins. Their hides were generally of a fish-white colour, though some were black, and all were practically hairless."
This fellow's rather more hirsute. He's an old C15 Armoured Orc: