cool black wallpapers are the backgrounds you like. There isn't a certain fashion or trend when it comes to black wallpapers. These wallpapers can be changed as often as you want to. Each person has it`s own character and his own preferences. It`s best to set a wallpapers that allows you to see also the small icons from your desktop. Choosing a wallpapers with a lot of white will make your work on your computer rather hard because you can`t see the icons. In the end, people are free to use any wallpapers they like, from porn images to silly things.
