Red Cactus Margaritas

1 1/4 cups (10 ounces) raspberry-
    cranberry juice frozen concentrate
3 cups (12 ounce) whole frozen raspberries
3/4 cup (6 ounce) limeade frozen concentrate
3 cups gold tequila
1/2 cup (4 ounce) Triple Sec orange liqueur
4 cups crushed ice
1 Mexican lime, sliced
Sugar

Combine all ingredients except lime and sugar in a blender and blend until slushy, adding more ice if necessary.

To prepare glasses, moisten rims with a lime slice and dip in a plate of sugar. Fill glasses and garnish with lime wheel slices.

For a non-alcoholic version, omit tequila and replace Triple Sec with reconstituted orange juice.