gistfile1.html

<style type="text/css">
	a.user-image {
		background: transparent no-repeat top left;
		display: block;
		text-indent: -999em;
		width: 50px;
		height: 50px;
		border-radius: 5px;
                box-shadow: 0px 0px 3px #666;
	}
</style>

<a class="user-image" href="http://www.facebook.com/ajaxray" style="background-image: url(http://graph.facebook.com/667896332/picture)" title="Visit Anis's profile">Anis Ahmad</a>

<!--
Post: http://ajaxray.com/blog/rounded-thumb-image-with-css-3
Demo: http://ajaxray.com/Examples/cropped-thumb.html
-->