As a motion graphics designer, you often have to work harder than other types of designers. Unlike those in the print world who can usually get by with a white background for the printed page, you must put more thought into your projects.
Motion backgrounds have become a staple of broadcast and motion graphics design. In fact, entire companies exist just to create and sell backdrops. The use of backgrounds (whether static or dynamic) is essential to good motion graphics design. Fortunately, certain features in After Effects and Photoshop can be combined to create some fantastic "wallpaper."
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Designing Backgrounds with Photoshop and After Effects
in Adobe, Motion Graphics, Video