Banana Daquiri Slush

1 cup light rum

1/2 cup fresh lime juice

1/2 cup banana liqueur

4 medium ripe bananas, sliced

2 1/2 cups crushed ice

2 medium bananas, peeled and quartered lengthwise

Combine rum, lime juice, and banana liqueur in a blender. Cover and blend till smooth. Add bananas, one at a time; blend well. Add ice, blend until slushy. Pour into large serving glasses. Garnish with banana spears.