I know a lot of our forum members are still having trouble figuring out how to add photos to your posts but it's SUPER EASY and only takes TWO clicks of your mouse if you have an account with Photobucket or similar services like Image Shack.
This simple tutorial is for Photobucket but it works the same way with Image Shack as well. The only difference is in the layout.
Here is a screen shot showing you where to click to get your code from Photobucket. You want the IMG code in the circled area below: