{{define "imagepick"}}<div class="imagepick">
  <label>{{.label}}<br>
    <select name="{{.name}}">
      <option value="">{{if .current}}(keep current){{else}}(none){{end}}</option>
      {{range .images}}<option value="{{.ID}}"{{if eq .ID.String $.current}} selected{{end}}>{{.Filename}}</option>{{end}}
    </select>
  </label>
  <label>…or upload a new one<br><input type="file" name="{{.name}}_file" accept="image/*"></label>
  {{if .current}}<label class="check"><input type="checkbox" name="{{.name}}_remove"> Remove image</label>
  <img class="preview" src="/media/{{.current}}" alt="">{{end}}
</div>{{end}}