Help!


#1
        <div class="col-md-4">
            <div class="thumbnail">
                <img src="http://goo.gl/Av1pac">
            </div>
            <div class="thumbnail">
                <img src="http://goo.gl/vw43v1">
            </div>
        </div>
        
        <div class="col-md-4">
            <div class="thumbnail">
            <img src="http://goo.gl/0Kd7UO">
            </div>
        </div>

#2

Your second column doesn't have a closing tag.