Right. I'ts a link to a dynamic html document, and you need to add it into your sig.
Go into your UserCP and click on edit profile. down a little on the right hand side, you'll see a text box to add html and vB code to creat a sig after all your posts.
So below is the image to your stat profile. Right click on it, and click properties to get the link URL, so you can add it into your sig.
