How do I apply the themes included on the Xbox 360 Hard Drive to my consoles Xbox Dashboard?
To view your choices, press the Xbox Guide button, select Personal Settings, and choose Themes. Simply select one to apply it, or select Customize to mix different themes for, say, Dashboard Trim and Guide Background. Press the Xbox Guide button or B to return to the Xbox Dashboard. To download additional themes from Xbox LIVE Marketplace, go to the Xbox LIVE area of the Xbox Dashboard and select Xbox LIVE Marketplace, Themes and Gamer Pictures.