A snippet showing how to use the `link:` meta tag in Markbox templates

using_link.html

{% if post.meta.link %}<h4 class="postTitle"><a href="{{ post.meta.link }}"><i class="icon-share"></i></a> <a href="{{ post.meta.link }}">{{ post.title }}</a></h3>{% else %}
  <h3 class="postTitle"><a href="{{ site.blog_url }}{{ post.permalink }}">{{ post.title }}</a></h4>
  <div class="date">{{ post.published.strftime('%Y-%m-%d %H:%M') }}</div>
{% endif %}                
{% if not post.meta.link %}<div>
  {{ post.content }}
</div>{% endif %}