Fruits ofartist’slaborsBy Hank BurchardWashington PostWASHINGTON — Jeanne Dunning gives great tomato. The impact of the Chicago artist’s other conceptions tends to fade quickly, but the image of her luscious, lascivious tomato photos lingers long.Dunning, 33, featured in the current “Directions” show — through Nov. 2 — at the Hirshhorn Museum and Sculpture Garden, specializes in double-takes. At first glance you see an erect penis or a secret orifice. At second glance you recognize a close-up of a flexed thumb or a cupped hand. It’s an old and amusing genre, but a little hokey-jokey goes a long way. ,Her tomatoes, though, are something else. Dunning photographs canned, peeled whole tomatoes in such vivid color and detail that they seem to protrude from the picture frame.But Dunning doesn’t stop there. She shows us models with tomatoes protruding from their, mouths, the juice drooling down in streams.