Hearts background. Good for header or banner for Valentine's day, wedding and more. You can only drag and drop movie clip "mainbg" to the center of scene. Your project can be rectangle or square. It will automatically resize to your scene. You can easy change number, size, speed or colors of hearts or background's color. Zip includes: Flash CS3 and Flash CS4 versions, the swf for both and instruction file. Action Script 2. Vector-animation. Small size: swf file is only 6 kB.