When George's topless girlfriend, Jane, turns away from the three on the porch to enter the house, you can see material that matches her flesh is covering her breast.
Crew member hand visible throwing the tomato at George.
At the end when they are all going home from the Hamptons, Elaine says to George, "Well, if someone saw me naked, I wouldn't want to ride in the same car with them either." But in "The Truth," Kramer had seen Elaine naked, but she was fine with riding in the same car with him on the ride to the Hamptons (and indeed has ridden with him in same car other times too).