Drain pineapple and oranges. Combine pineapple, oranges, grapes, marshmallows, coconut and nuts. In a separate bowl, mix yogurt and sugar. Stir into fruit mixture. Chill.
In a mixing bowl, combine ... strawberries, grapes and marshmallows. In another bowl, fold together yogurt and cool whip. Gently fold ... hours. Makes 6 servings.