думаю так
http://vk.com/developers.php?oid=-1&p=Like<!-- Put this script tag to the <head> of your page -->
<script type="text/javascript" src="//vk.com/js/api/openapi.js?58"></script>
<script type="text/javascript">
VK.init({apiId: 3181679, onlyWidgets: true});
</script>
<!-- Put this div tag to the place, where the Like block will be -->
<div id="vk_like"></div>
<script type="text/javascript">
VK.Widgets.Like("vk_like", {type: "full", height: 20});
</script>
Куда я попал?!?
