Combine 1/2 can limeade, 3 oz. rum, 1/2 pint strawberries and 1 T. sugar in blender. Mix at medium speed, adding 7 ice cubes 1 at a time until smooth and very thick. Pour into large pitcher. Repeat with remaining ingredients except lime slices. Add to pitcher and stir to blend well. Garnish with lime slices and serve.