Grab an image off the web:
Hover over image, right click with mouse, select Copy URL.....
or
Select an image by clicking it so it is what you are viewing, copy the entire address in the address bar.....
And now:
At the top of the message posting box doodah thing in which ya type out your post there are icons.
The image icon is to the right of the smilie icon.
Click the image icon, paste the URL that you copied into the Image URL field and then click the Insert button.
Hover over image, right click with mouse, select Copy URL.....
or
Select an image by clicking it so it is what you are viewing, copy the entire address in the address bar.....
And now:
At the top of the message posting box doodah thing in which ya type out your post there are icons.
The image icon is to the right of the smilie icon.
Click the image icon, paste the URL that you copied into the Image URL field and then click the Insert button.