MOSTMOM1 is a SparkPeople member who uses hula hoops a lot. She has several video blogs with the hoops involved. She is very approachable, if you want to ask her a question. But check out some of her videos first - they will make you smile, and give you hope that nobody has to ever be perfect.
Here is a link to MOSTMOM1's SparkPage: www.sparkpeople.com/mypage.asp?id=MOSTMOM1
Good for you for puchasing something fun to get fit with. Keep trying - you will eventually get the hang of it.