Driving lights have a beam pattern which is similar to main beam headlights.
Fog lights have a short, flat fan shaped pattern.
Spots could be either:
Long range lights which have a long narrow beam
or floods which have a wide beam.
I wouldn't put fogs on the roof or floods. Floods would be OK, but I'd recomend you painted ya bonnet matt black to stop any glare.
I'd have a look at the KC Daylighter sealed beam 150W ones if they are for off road only.
