{{- $src := default (.Get 0) (.Get "src") }}
{{- if not $src }}
{{- errorf "missing value for 'src': %s" .Position }}
{{- end }}
{{- $alt := default (.Get 1) (.Get "alt") }}
{{- if not $alt }}
{{- errorf "missing value for 'alt': %s" .Position }}
{{- end }}
{{- $img := resources.Get $src | resources.Fingerprint }}
<p>
  <img class="centered pad-vertical" src="{{ $img.RelPermalink }}" alt="{{ $alt }}">
</p>