Avatars of War, a small miniatures company from Spain, has a small but incredible selection of generals and warlords for you fantasy army. Their newest release is the Goblin King, a great big champion mini with a wagon load of character. Armed with a stolen Dwarven axe and sporting a Dwarven crown this fella is really looks the part of nefarious Goblin King.
The other minatures in their shop are all brilliant scuplts too and would make get center pieces for any army. Check out their site at avatars-of-war.com. You can order them from coolminiornot.com which is were I found the above pic.