This is how I want to reply. When I am done, then I will click on the RED button below to the RIGHT. If you want to add an image, I will show you next.
Now, I am going to reply again and now I will add an image. See the button to the lower left that says "Attach Files" - then click there. When you click, it will open your FILE DIALOG BOX of which you can select any image. Then just click on the RED POST REPLY BUTTON AGAIN.