Have you ever tried Black Pepper tea? This is a real fat burner drink I believe.
Also, you can try these:

Green Tea.
Jillian Michael's 7-Day Detox Drink.
Ice Water.
Vegetable Juice.
Skim Milk.
Arabian Tea with Ginger, Green Tea, Cumin, and Mint.
Pineapple and Kiwi Smoothie.
Lemon Water.
Apple Cider.

Good Luck