Combine limeade and rum in a blender. Add pineapple and ice cream. Blend well. With the blender running, add a few pieces of ice. Continue adding ice until the mixture is smooth and thick and the blender is nearly full. Serves 4.
Pour all ingredients (bailey's to taste) into a blender and puree for several seconds, or until smooth. Pour into a glass and serve immediately.
Parfait Glass
Place ingredients in a blender and mix until even consistency. (Note: usually made in a large batch using above ratios and served punch style at parties.)