To post pictures just select this button (from the bar across the top of the Reply box)
View attachment 496935 and drag your photo into the pop-up box (or show the path to your pic). Wait for it to upload. Preview it. Seems like sometimes I have to select "full size" rather than "thumbnail".
Speaking of posting photos, I always thought the trick to making them
post upright was to crop them so they are wider than tall. Until I posted the pics below as an example. Maybe the trick is just to crop any photos that want to post sideways. I use Paint, but I think Word would work to crop, too.
View attachment 496925
View attachment 496929