If you desperately want to know how to get better at pole dancing the answer is practice practice practice.  Take ballet in addition to pole dance lessons and any other dance classes that involve education on proper dance form and technique.  By doing this you will reshape how you carry your body subconsciously (as a dancer does) and then that will automatically make you a better pole dancer.

Posture and form are critical if you want to be a good dancer and look your best.  Here is a great article that goes into depth on posture and form while pole dancing =>