Select Layout > Page Elements > Add a Gadget > HTML/JavaScript

Copy & paste below code:

<script type="text/javascript">
start_views_num = 1;
limit = 5;
</script>
<script src="http://h41r3z4n.googlepages.com/MostViewed.js" type="text/javascript">
</script>

If you want to remove blog title, find below code

<title> <data:blog.pageTitle/> </ title>

replace with

<title><data:blog.pageName/></title>