Microsoft Feed is sharing a Ramadan Kareem Windows 7 Theme, the link to the theme is broken as Microsoft removed it, you can get the Ramadan Windows theme and wallpapers from here.
This windows 7 Theme includes superb wallpapers you can see the wallpapers below and if you like to download them Click on the images to get bigger ones use the above link..
Get the wallpapers and theme using the link on the first line