Hi Toby,
Toi my knowledge there is nothing like that in Moodle, but you do have the option to add images to the PDF annotation when grading in a Moodle assignment, you can also add the image in deferent sizes if need be.
Toi my knowledge there is nothing like that in Moodle, but you do have the option to add images to the PDF annotation when grading in a Moodle assignment, you can also add the image in deferent sizes if need be.