function displayThumbnailImage(node, thumbnail, options) {
    if (thumbnail) {
      var link = $('<a></a>')
        .attr('href', loadImage.createObjectURL(thumbnail))
        .attr('download', 'thumbnail.jpg')
        .appendTo(node)
      loadImage(
        thumbnail,
        function (img) {
          link.append(img)
          node.show()
        },
        options
      )
    }
  }
Displays the thumbnal image

@param {*} node jQuery node
@param {string} thumbnail Thumbnail URL
@param {object} [options] Options object