You should first restore the headlights. Then do white halos (probably singles). Choose paint colors for the housing and shrouds (any color other than chrome). Then finish off with a landing strip with LED of some sort (one on each light if you care for symmetry). And don't forget them demon eyes you don't want to lose any contrast and such.
Custom HEADLIGHT Paint & Lighting MODIFICATIONS|Photos & Details|UPDATED SUMMER 2011