Been wanting to post some pics? Just not up on the jargon? No need to worry. Here's what you need to know.
Once you know the address where your image is (the URL). copy it to your clipboard using (ctrl+c).
In the add tags section up above where your typing here, in the bottom row. 4th thing from the left that looks like a picture. Click it. It will put up the IMG tags for you. Just paste your image URL in between the tags (ctrl+v).