All animations always requires
the latest version of the plugin.
The Padlock animation is made of 2 images. The animation is triggered OnClick on id twiz-padlock-box.
<style type="text/css">
#twiz-padlock-box-main {
height: 300px;
display: block;
}
#twiz-padlock-box-main img {
display: none;
}
#twiz-padlock-box {
width: 216px;
height: 287px;
display: block;
margin: 0 auto;
}
</style>
<div id="twiz-padlock-box-main"><div id="twiz-padlock-box"><img src="../wp-content/uploads/twiz-padlock-top.png" alt="" title="" width="216" height="169" id="twiz-padlock-top"/><img src="../wp-content/uploads/twiz-padlock.png" alt="" title="" width="216" height="128" id="twiz-padlock"/></div></div>
Import the twiz file under a new section. (Right-click, Save Target As/Save Link As)
free-animated-padlock.twiz 
Upload images via the WordPress Media Manager.
Free Animated Padlock
