The easiest way: Open Stage > Atmosphere > _DH Default_CC
and then plenty of other CC lights packages in Atmosphere > From CC folder

Or, for custom CC lights/setup, save project in CC, rename extension to .iProject and open in iClone

I notice a fairly substantial difference in real time rendering quality between CC3 and iClone 7. Is this merely a settings and lighting issue? I've been trying to match the iClone 7 realtime to CC3, but it doesn't seem possible. 

REVISION: After further work, I was able to get closer to CC3 by using new Spotlights instead of the default lights.