It is simple on the left is the Location of the site, on the right is the name of the site . You can Change the title of the Links.
To add more links click on the down arrow to change the number then click Refresh.
To link a sub-page on your site type the files name on the left and the name on the right. If your sub-page is pics.html type pics.html in the left box and type My Pics in the right box.
The most common mistake is when you post a link outside your directory and forgot to add the http:// before the www.
Also if your are using ../ inside your directory it is better to type the path by names