{%-assign static_file_names = site.static_files           | map: 'name'-%}
{%-assign banner_image      = page.images.banner.file     | default: page.images.banner           | default: page.images.default.file | default: page.images.default | default: page.image-%}
{%-assign banner_alt_text   = page.images.banner.alt_text | default: page.images.default.alt_text | default: page.images.alt_text     | default: page.alt_text-%}
{%-assign banner_title      = page.images.banner.title    | default: page.images.default.title    | default: page.images.title        | default: page.image_title-%}
{%-assign banner_caption    = page.images.banner.caption  | default: page.images.default.caption  | default: page.images.caption      | default: page.caption-%}

{%-if static_file_names contains banner_image %}
            <!-- Banner Image -->
            <figure class="image main">
              <img src="{{-page.image_path-}}{{-banner_image-}}" title="{{-banner_title-}}" alt="{{-banner_alt_text-}}"/>
            {%-if banner_caption %}
              <figcaption>{{-banner_caption | markdownify-}}</figcaption>
            {%-endif %}
            </figure>
{%-else %}
            <figure class="box"><h3>Missing image</h3>{{-banner_image-}}<br>{{-banner_title-}}</figure>
{%-endif %}