There are 2 ways of animation in the script. When mouse-pointing the menu section it begins moving animatedly, enlarging in height to 150px within 0,6 sec. The weakening is applied with the 'easeOutBounce' plug-in.
Background images for every menu section are added to demo-version and into source files in order to illustrate some design capabilities. Anyway, there are many more other creative ways to add some interesting effects to your menu.