I have personally changed it to every variation I can think of, I got it to work fine for the child directory but can't get it to work at all for images.
So instead of the default which would be this for example:
Code:
http://www.guitarblast.com/images/kirsch/misc/navbits_start.gif
It still ends up like ths:
Code:
http://www.guitarblast.com/groups/images/kirsch/misc/navbits_start.gif