<!-- Put this script tag to the <head> of your page -->
<script type="text/javascript" src="https://vk.ru/js/api/openapi.js?168"></script>

<!-- Put this div tag to the place, where the Group block will be -->
<div id="vk_groups"></div>
<script type="text/javascript">
VK.Widgets.Group("vk_groups", {mode: 4, wide: 1, height: 400, color1: "FFFFFF", color2: "000000", color3: "5181B8"}, 166562603);
</script>