Apologies donoreo, I wasn't sure what you meant.
To do this, go to your image and right click on the magnifying glass above the image, when presented with a set of options click "copy link location". Come back to the forum and click the insert picture icon (displayed as a picture of a mountain with a sun above it) and paste the link in there.
Example:
We appreciate this is a rather cumbersome way of doing things at the moment, and we're currently looking at changing this system as we go forward.
Hope that helps,
Amy