Wallpaper - literally refers to the pictures of as much size as filling up the computer screen(wall) space. Generally, they most often use the Wallpaper copies of as about 80%(800x600), as 100%(1024x768) and as 120%(1280x1024) as a computer screen, according to size.

Early days’wallpaper used to be thought much of only the size, but nowadays composition technique of Digital Pictures is required together with high clearness. In the world of wallpaper, they might not recognize you merely by the pictures taken though persons or things in simple backgrounds.

Internet world requires as Visual sense as to occupy 80-90% of visual fields.
Once you are concerned about Internet and information worlds at all, I suggest you study in the visual field. Wallpaper is a new spot lighted area, on the internet that is visual and requires sense.

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