{{ $size_in_pixels := 150 }}

<div class="grid-team-members-small-photos">
  {{ range $key,$val := .Scratch.Get "active_members" }}
      {{ with (index $.Site.Data.personen .) }}
        <div>
            {{ if .thumbnail }}
              <figure>
                {{ if .profile_page }}
                  <a href="{{ .profile_page }}"><img src="{{ .thumbnail }}" alt="Foto van {{ .name }}" height="{{ $size_in_pixels }}" width="{{ $size_in_pixels }}" /></a>
                {{ else }}
                <img src="{{ .thumbnail }}" alt="Foto van {{ .name }}" height="{{ $size_in_pixels }}" width="{{ $size_in_pixels }}" />
                {{ end }}
                <figcaption>
                  <small><strong>{{ .name }}</strong></small>
                </figcaption>
              </figure>
            {{ end }}
        </div>
      {{ end }}
    {{ end }}
  </div>