jekyll-flickr-body.txt

{% if page.photoset %}
  <div class="gallery">
    {% for photo in page.photos %}
      <a href="{{ photo.medium_source }}">
        <img src="{{ photo.square_source }}" width="{{ photo.square_width }}" height="{{ photo.square_height }}" />
      </a>
    {% endfor %}
  </div>
{% endif %}