To drop 20 pounds in 2 weeks, you should know that it might be ne of the most difficult things you may have to do in your life and unless you won’t be really focused, you may fail.
My video http://www.youtube.com/watch?v=YIi46hh6id4 teaches in details what you must do to lose 20 pounds in 2 weeks, or maximum one  month.
To be losing 20 pounds in 2 weeks you must create a daily plan, know exactly what you must eat and drink, how many hours you will sleep, and the foods that are great for weight loss and at the same time a really positive attitude.