Lay fillets skin side down on aluminum foil (large enough to wrap around the fillets) Rub fillets with olive oil and then rub in salt, pepper and paprika on the flesh side of fillet. Thinly slice lemon and tomatoes, then layout on fillets - try to over entire fillet with the slices. Wrap each fillet in the aluminum foil and place on barbeque for approximately 15-20 minutes or until bluefish flakes with fork.