Welcome to the boards. You can post a full introduction
here.
To post a pic, you can use Imageshack. Just add [img] and [/img] before and after the URL so it displays the image. There are other methods as well.
The easiest way to tell if a Shockwave is a KO or not, is the screws. The KO has silver screws while the original has black ones. Also, the hose is shorter on the KO.