{% load wagtailimages_tags useful_tags %}
<div class="container">
  <div class="gallery">
    <div class="row flex gallery-items">
      {% for image in value %}
        <div class="gallery__item">
          <a href="{% image_url image 'width-930' %}" data-lightbox="{% python_id value %}" data-title="{{ image.title }}">{% image image fill-256x280-c80 %}</a>
        </div>
      {% endfor %}
    </div>
  </div>
</div>