This guide shows a few methods to alter World of Warcraft to have graphics settings higher than what the in-game video options allow for. These options don't rely on 3rd party tools like WMT and so don't run the risk of you getting flagged for hacks/exploits.
via N4G: pc news feed http://n4g.com/news/1412750/world-of-warcraft-how-to-modified-the-games-graphical-settings-to-higher-than-ultra
via N4G: pc news feed http://n4g.com/news/1412750/world-of-warcraft-how-to-modified-the-games-graphical-settings-to-higher-than-ultra