How I always post them is to upload them to that site, and then the site gives you a direct link. You copy that link and then you go back to this forum and click the " insert image " icon on the top of the message screen when you are typing out a message. It kind of looks like a picture with a mountain on it. Then the forum will bring up a little box with an http:/ symbol. You paste your link next to that symbol and hit O.K. You should then see a link of the picture on the message you are posting. Once you post your message that link will turn into a full size picture. Here is one I just did of one of my crystals:
