All animations always requires
the latest version of the plugin.
The Traffic Light animation is made of 3 images. CSS display creates this effect.
<style type="text/css">
#twiz-traffic-box {
width: 730px;
height: 350px;
display: block;
background-color: black;
padding-top: 25px;
}
#twiz-traffic-box img {
display: none;
margin: 0 auto;
}
</style>
<div id="twiz-traffic-box"><img src="../wp-content/uploads/twiz-traffic-light-red.png" alt="" title="" width="255" height="300" id="twiz-traffic-light-r"/><img src="../wp-content/uploads/twiz-traffic-light-yellow.png" alt="" title="" width="255" height="300" id="twiz-traffic-light-y"/><img src="../wp-content/uploads/twiz-traffic-light-green.png" alt="" title="" width="255" height="300" id="twiz-traffic-light-g"/></div>
Import the twiz file under a new section. (Right-click, Save Target As/Save Link As)
free-animated-traffic-light.twiz 
Upload images via the WordPress Media Manager.
Free Animated Traffic Light