OK - this is the box that I'm currently typing in:My heads battered now.It'll only take so much at once.
I'll work on it.

On the bar at the top, from right you'll see (by hovering over each icon) Spellcheck, Wrap, insert video, and then 'Insert Image' (the green square with a black dot at each corner' - click on that and you can browse to the saved image and open it then upload
Try it tomorrow