This is an easy smoothie that has a beautiful color. :) You could easily substitute different fruits or juices. Using frozen fruit eliminates the need for ice in the smoothie. If you want it a little sweeter, add a tablespoon of honey, sugar, or sweetener.
(Sorry for the fuzzy picture, but it was raining this morning and the lighting was bad in my kitchen.)
2 (10-oz.) packages frozen strawberries
1/2 cup frozen blueberries
1 (6-oz.) container plain low-fat yogurt
1 cup apple juice
1 cup fat-free milk
Mix all ingredients in a blender until smooth. Serve immediately.