diff --git a/images/sketchpad1-grayscale.jpg b/images/sketchpad1-grayscale.jpg new file mode 100644 index 0000000000000000000000000000000000000000..e6c9e7c5a6df4cc54a738c62febf800915228f30 Binary files /dev/null and b/images/sketchpad1-grayscale.jpg differ