pillar/src/templates/nodes/attachments/file_image.pug

| {% if 'link' in attachment and attachment['link'] != 'none' %}
| {% if attachment['link'] == 'self' %}
a(href="{{ vars['l'].link }}")
	img(src="{{ vars['l'].link }}", alt="{{ file.filename }}")
| {% elif attachment['link'] == 'custom' %}
a(href="{{ attachment['link_custom'] }}")
	img(src="{{ vars['l'].link }}", alt="{{ file.filename }}")
| {% endif %}
| {% else %}
img(src="{{ vars['l'].link }}", alt="{{ file.filename }}")
| {% endif %}