You open the attachment, then right click on it and head down to where it says copy image address and click on that.
You would end up with something like this if you simply pasted the copied link into the post
https://the75andztclub.co.uk/forum/a...1&d=1571694634
However what you do next is the trick
Click on the
symbol on the tool bar, and you will be prompted to enter the URL of your image.
So if we paste the URL of the image we copied before, into the box, we end up with this...........
Give it a try, it's quite easy once you get the hang of things.......
You might even recognise this one