NOTE: Can make these ahead of time and freeze them. In a blender mix 1 cored, peeled and chopped mango, 12 oz can frozen limeade concentrate, 1 c tequila, 1/4 c triple sec, juice of 1 lime and blend until smooth. Then fill with 3-5 c ice and blend until smooth. Rim cups with salt. Makes 6-7 servings.