<div id="spreadsheet"></div>
<script>
  $("#spreadsheet").kendoSpreadsheet({
    images: {
      "1": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg=="
    },
    sheets: [{
      drawings: [{
        topLeftCell: "A1",
        offsetX: 10,
        offsetY: 10,
        width: 100,
        height: 100,
        image: "1"
      }]
    }]
  });
</script>