You are missing the end of the <img> tag and the < in </a>:
HTML Code:
<h3 class="leftBoxHeading" id="blanksideboxHeading"><img src="includes/templates/simply_kerrin/images/label_follow.png" alt="Valorie Brown Designs" title=" Valorie Brown Designs " width="154" height="34" /></h3>
<div id="blanksideboxContent" class="sideBoxContent"><a href="http://www.facebook.com/pages/Valorie-Brown-Designs/113579078696475" target="_blank" alt="facebook"><img src="includes/templates/simply_kerrin/images/FBicon.jpg" height="32" width="32" border="0" alt="break"/a><a href="http://twitter.com/mom2da3ks" target="_blank" alt="twitter"><img src="includes/templates/simply_kerrin/images/TWicon.jpg" height="32" width="32" border="0"/a></div>
width="32" border="0"/a></div>
should be
width="32" border="0" /></a></div>