One of the icons along the top of the posting window (a few to the right of the link/url icon, iirc) is a lil green/yellow square with what looks like a black tree in it - insert image, with options for from file/from url. I put mine on imgur and throw the url in there![]()
you can also use a Google Search result.
Just click "View Image" instead of "Visit Page" and you can use the weblink it gives you to add Image as an Url.
Cuts out all the Redirects you get from spam/adverts embedded in the page