title: addThis buttons do not show
body: <p>I am using the default code. Why don't my buttons show up? Do I need to have the images locally? need absolute path?</p>
  
  <pre><code>&lt;!-- AddThis Follow BEGIN --&gt;
  
  &lt;div class="addthis_toolbox addthis_default_style"&gt;
  &lt;a class="addthis_button_facebook_follow" addthis:userid="myclient"&gt;&lt;/a&gt;
  &lt;a class="addthis_button_twitter_follow" addthis:userid="myclient"&gt;&lt;/a&gt;
  &lt;a class="addthis_button_pinterest_follow" addthis:userid="myclient"&gt;&lt;/a&gt;
  &lt;/div&gt;
  &lt;script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#pubid=xa-510e973014b90fdf"&gt;&lt;/script&gt;
  &lt;!-- AddThis Follow END --&gt;
  </code></pre>