If your photos are hosted on a website such as flickr, photobucket etc. then click on the button above the reply window, that looks like a landscape with a setting sun. Paste the url for the location where the photo is hosted on the web into the box that opens and click "OK."
Bender: I support and oppose many things, but not strongly enough to pick up a pen.
“Democracy is the art and science of running the circus from the monkey-cage.” ― H.L. Mencken