Skinner changes the look of the default UI (Retail & Classic)
To prevent an AddOn from being skinned click the checkbox by its name on the Disabled Skins panel. This change will only come into effect after WoW is reloaded.
All features can be toggled with the slash command /skinner or /skin
Details about most of the Skinner Commands can be found here
Instructions on how to change the background Skinner uses can be found here
If you have found a issue or have a skin request, please use the issue tracker.
These are available, for ALL game versions, on the following sites: