there are some tricks to posting photos, both re sizing them and some slight differences with macs and pcs. I try not to give instructions since I've an old mac which may differ from new ones.
Anyway, I'll try to make your photo smaller.
Basically you deal with pixels, which you can sometimes figure out since they are written, at least sometimes, above a photo. The height doesn't matter, but the width does. I find the highest width that can fit in the website space is 900; 600 is usually plenty for easy looking.
Some of the photo websites likely have ways to choose a smaller size - somewhere in their directions.
So, wherever I snag the photo, I put the IMG brackets like this:
then immediately after it, the url that shows up with the photo, either from google images (etc) or from a photo website
then close it off with
You can add a height limitation too, but that's not usually necessary.
Ok, I get it, you only showed the signature and I was hoping for the whole painting..
Show that too, if you want to.
Also, I can see the link by clicking on your photo, where it gives me a choice to see the photo on another window and the url shows up with it -