Showing target of target

[ntw3001]

I'm having awful trouble with DUF. I want to to show a frame for my target of target, but I can't get it to work. I've unchecked 'hide' on the target of target tab (it didn't do anything at all), and I've asked it to show target of target health and mana bars (it just gave me a black line under one of my party members that I couldn't move at all). It's not much use just having the name of the fellow in tiny text, I want to be able to see who they are, health, mana and so forth. Is there any way to show it?