Im sure you have seen the shoulder peices that NPC trolls wear. Can you make those or are they a quest reward? I was thinking something along the lines of what Voln'Jin was wearing.
Vol'jin: http://www.worldofwarcraft.com/imageviewer.html?/info/story/troll/,images/screenshots/,33,57,http://www.worldofwarcraft.com/info/story/troll/foresttribes.html
Zalzane: http://www.worldofwarcraft.com/info/story/troll/images/screenshots/ss20.jpg
They just look too awesome to be for NPCs, drop maybe?
Edited, Sep 23rd 2006 at 1:38pm EDT by LinusRed