In a large mixing bowl, beat the sugar, pumpkin, oil and eggs. Combine the flour, baking powder, cinnamon, baking soda, salt and cloves; gradually add to pumpkin mixture and mix well.
Pour into a greased 15-in. x 10-in. x 1-in. baking pan. Bake at 350� for 20-25 minutes or until a toothpick inserted near the center comes out clean. Cool on a wire rack.
For frosting, in a small mixing bowl, beat the cream cheese, butter and vanilla until smooth. Gradually beat in confectioners' sugar. Spread over cake; garnish with candy pumpkins. Cover and refrigerate until serving. Yield: 24 servings.