Since MoP there is a Problem with Nameplates, no matter what Nameplate Addon or without Addon.
First time you see a name plate of an enemy it has many ugly texture overlapping for like 1 second.
Screenshot with TidyPlatesThreatPlates and Aurora: Missing Textures
Screenshot without any mod:
This textures appear before any addon can handle to hide it so this mod includes empty textures to hide Blizzards Textures:
1. Download the package.
2. Put the unziped folders from this package into your "Interface" folder NOT AddOns folder!