{{ define "async-image" }}
  <picture id="picture-{{ .File.ID }}" class="no-margin" data-picture data-alt="Thumbnail of {{ .File.Name }}">
    <noscript>
      <img class="thumbnail full" src="{{ url (.Request.URL .File.Name) }}?thumbnail&v={{ .Version }}" alt="Thumbnail of {{ .File.Name }}" />
    </noscript>
  </picture>
{{ end }}