Background with circles - Version 1 Background with circles. Good for header or banner and more. You can only drag and drop movie clip "ballbg_mc" to the center of scene. You can easy change number, size or colors of circles or background's color. Zip includes: 7 files that you can see on sample (Flash CS3 and Flash CS4 version) and instruction file. Action Script 2. Vector-animation. It will automatically resize to your scene. Small size: swf file is only 5 kB.