Equal parts:

FRESH lime juice
Amber rum
Orgeat syrup
White rum
MYERS dark rum
Orange curacao

For one drink, use 1 ounce of each. For 4 people (2 drinks each) use 8 ounces of each ingredient. Mix all the ingredients together in a pitcher. Put a pineapple spear in each glass. Fill glass with ice. Pour in Mai Thai mixture, serve and enjoy.