IF you want to see how any of the more interesting formatting is done, simply right-click on the page, then select "View Source" - that gives you a picture of the webpage with all formatting statements shown: Then scroll down to the line you'd like to be able to do, and see how the formatting is written.
For example, to see how they posted that "Belly Girl" photo, scroll down to post 29 (just after where it says "a name = 29) and you'll find they linked to the photo by writing
<img src="http://users.wi.net/~johnh/BellyGirl.jpg">