Thanks for all the comments everyone - much appreciated. As I mentioned that project turned out to be a real labour of love and it was a lot of fun. Hopefully in the next week or so I'll have some good photos of him to post.
BAM: HAHAHAHA Thanks, bud. Not sure I would put him on that throne, but I can think of another more suitable place to mount him (yes, I have an idea for a display board that I'll work on soon).
Hairster: You're comment really resonated. I realized that I subconsciously was working towards this. Goblins personify the spirit of Blood Bowl, and I like to think I captured a bit of the goofiness and glory of the game.