{% assign images = site.data[include.data_file] %}
    {% for image in images %}
    {% assign alt_text = image.alt | default: "image" %}
        {% if image.link != "" %}
            <a href="{{ image.link }}" target="_blank">
                <img src="{{ '/' | append: include.folder | append: '/' | append: image.imgurl }}" alt="{{ alt_text }}">
            </a>
        {% else %}
            <img src="{{ '/' | append: include.folder | append: '/' | append: image.imgurl }}" alt="{{ alt_text }}">
        {% endif %}
    {% endfor %}