{% load get_image_by_size %}<a href="{%get_image_by_size image "original"%} " title="view larger image"><img class="{{cluster_class}} {%if extra%}{{extra}}{%endif%}" src="{% for size in image.sizes.all%}{%if size.name == cluster_class %}{% get_image_by_size image size.name %}{%endif%}{%endfor%}" alt="{{image.alt}} photographed by {% if image.photo_credit_source %}{{image.photo_credit_source}}{%else%}luxagraf{%endif%}" data-jslghtbx="{%get_image_by_size image "original"%}" data-jslghtbx-group="group" {% if caption%}data-jslghtbx-caption="{{image.caption}}"{%endif%}></a>