This is from my friend, and she served it at a baby shower she had for me. It was really good! Here it is, and its pretty simple, and you can adapt it to your personal tastes.
2 quarts of sherbert, OR
1 quart sherbert, and 1 quart of ice cream
2 Tall cans of juice (preferably pineapple or orange)
1 quart of ginger ale
Mix all together but the ginger ale, and chill.
Add the ginger ale at the end
serves aproximately 25 people