Formatting Comments to Picture Size

Hello,

I've been searching for macros that will allow me to autosize the comments in my worksheet. I fill comments with pictures so that I can see them only when I hover over the comment. Not all the pictures are the same size or resolution, so I want to keep them as the same dimensions of the original picture. I have macros for autosizing to the text, but I want to do this based on the pictures (since there is no text). How would I do this?

Thank you very much.