7. Add a <div class="thumbnail">


#1

i have the same problem

Oops, try again. Add a <div class="thumbnail">..</div>

      <div class="row">
      <div class="col-md-4">
      <div class="thumbnail">
      <img src="http://goo.gl/0sX3jq">
      </div>
      <div class="thumbnail">
      <img src="http://goo.gl/an2HXY">
      </div>
      
      <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>

7/14 - Adding images
#2

Your first column needs to have a closing tag before you open the second column.