Skinner
Skinner changes the look of the default UI (Retail & Classic)
Please post all comments on the Skinner thread
Instructions
1. Download and install this addon.
2. Start WoW.
3. All the settings can be changed via its menus in the Interface Options.
Details
To prevent an AddOn from being skinned click the checkbox by its name in the Disabled Skins option.
This change will only come into effect after WoW is reloaded.
Notes
If you don't have the Addon loaded then the skinning code will be removed from Skinner's memorypool.
Most of the Skinner Commands can be found here
Instructions on how to change the background Skinner uses can be found here