{{ $orig := .Page.Resources.GetMatch (.Get 0) }}
{{ $options := .Get 1 }}

{{ $img := $orig.Resize $options }}

{{ if findRE `\d+x\d+` $options }}
  {{ $img = $orig.Fill (printf "%s center" $options) }}
{{ end }}

<a href="{{ $orig.RelPermalink }}">
  <img src="{{ $img.RelPermalink }}" width="{{ $img.Width }}" height="{{ $img.Height }}">
  {{ with .Inner }}
    <figcaption>
      {{ . }}
    </figcaption>
  {{ end }}
</a>