I choose Small Graph, and then copy all inside the inverted commas after src =
e.g.
src="https://www.thinkbroadband.com/broadband/monitoring/quality/share/thumb/fcbd9d74b52c9b1dbe832147fcecdb07f0cb7215-20-02-2018.png" /></a>
so you only copy
https://www.thinkbroadband.com/broad...20-02-2018.png
This gets pasted as the url to post an image to this forum.