> The problem is that it loops if I set the link depth to 7
> and if I set it to 6 it doesn't catch all links. 

How does it loop ? You should avoid using the depth option, 
and filter instead the "looping" links with 'Set 
options'/'Scan rules', using syntaxes such as:
-www.example.com/foobar.cgi?foo=*
-www.example.com/foobar.cgi?bar=*&foobar=12*
..