To find the URL of an image, right-click on it. Then click on " properties" . A box will pop up, and about halfway down it will show the URL address. You can just highlight it, right-click on it, and click " copy" . Then, when you post, check " embed picture in post" , at the bottom of the screen you' re posting in, and paste the URL in between . The image you chose should show then when you hit " preview" . If it does, hit " OK" .