Frozen Watermelon Virgin Margaritas

This one is for you Kamie. :)

4 cups watermelon chunks, seeds removed
6 tablespoons fresh lime juice
2 tablespoons sugar
4 cups ice cubes
1/8 teaspoon table salt
1/2 limes, cut into wedges for garnish

Combine all ingredients, except lime wedges, in a blender; puree until smooth. Divide among 4 glasses. Garnish with lime wedges.

Serves 4. 1 point per serving.