Diwali wallpapers or themes are best source to celebrate festivals of lights. Its comes with series of festivals for Indians. On this festival people decorate this houese with colourful diyas and colorful rangoli art and there’s no reason why your desktop should miss out on the spectacular fun. Here get a chance to celebrate Diwali festivals together and download latest free happy diwali desktop wallpaper 2012: This amazing collection of full screen free Diwlai backgrounds, desktop themes to use on your laptop, iPhone and iPad.