Blizzard has released a new Windows Media Skin with a World of Warcraft theme.  It is rare to see Blizzard release skins, hope more comes out:

Microsoft Games for Windows has just released a new skin for Windows Media Player 10 that will help bring out your inner warrior, or rogue, or hunter, or mage, or druid…while watching videos or listening to your favorite songs online (such as one of the many World of Warcraft MP3s we’ve posted on the World of Warcraft community site). Grab the new World of Warcraft Windows Media Player skin here