Click on Full Size (see right). Then post.
On this post, you just posted the link and it is the preview link.
Instead find the full version (so the only thing on your screen is the photo). Copy that url.
Then add these codes — with only one space after src and img, then no spaces. I have to use spaces or it will not show.
< src img “ url here “ >
Here is an article that explains it better than I am doing. http://www.freerepublic.com/focus/f-news/543863/posts