Strawberry-Lime Daiquiri

4 oz white rum or 2 tablespoons lemon juice for virgin cocktail 
1/4 cup fresh lime juice 
1/2 cup fresh or frozen sliced strawberries 
1/4 cup sugar 
1 cup crushed ice 
Fresh whole strawberries 
Lime slices

In blender, place rum, lime juice, sliced strawberries, sugar and just enough crushed ice to cover. Cover blender; blend until pureed. Pour evenly into 4 low-ball cocktail glasses or wide-mouth wine glasses. Garnish each with whole strawberry and lime slice.