This is the tripod from the Tom Cruise Version of War of the Worlds, this was my first stab at full rigging in Lightwave (yes I know, I like a challenge) once I finished the rig it was fairly easy to pose and control, I used nulls to guide the feet and a null to guide the body, that allowed you to get quite a fluid movement with the body as they could follow separate paths to the legs, but its motion would directly affect the legs themselves but leave the feet anchored to the nulls.
I also rigged the heat rays, tentacles and all other moving parts.