Cyclone III device utilization issues

The compiler option I am editing is in settings -> Fitter Settings -> under Fitter Effort the default is standard fit (highest effort), the lowest one that I said finished is the Fast Fit, and the one I am trying to use for real is the Auto Fit(reduce Fitter effort after meeting timing requirements).

I am using Qsys to build by project and am duplicating the Ethernet cores in there. When I right click on it there is no option for Locate to Assignment Editor, but I did find in Quartus II under Assignments -> Assignment Editor. I see that I can add a new line and see the option you said. I will try this and post back. I assume that I should type the name of the Ethernet hierarchic into the To field.