Perhaps not the best known or best loved of the SFB races (in fact I know little about them myself, save they're an aquatic race), but I fancied doing something with the Koligahr nonetheless, so here you have one of a number of releases now available at Dynaverse Community Docks, the Eutima class Battlecruiser:
http://www.battleclinic.com/halo_skin/docks/dock.php?id=2113
MajorRacal