Okay: I've got it sorted out: when it comes to using my PC.
But not the Smartphone!
If you click on the "Paper Clip": it gives you the screen where you choose and upload the picture
Those procedures are the same; regardless of what you're using to access the Forum.
But with a Smartphone: how do you get the picture that you uploaded back into the text box for your post?
With the PC: it's a simple "drag & drop" deal...
What am I missing?