Well, this video was made with Flash Professional that is rather expensive to my knowledge. However you can download a trial version. I don't know much more about it.
Not sure if you have seen this thread already:
Not sure how complex things you can do with it.
Or you can look around and inform yourself about animation software.
Sorry, can't help you more with that specific problem
Yep,its unfair.I want to make a better game/stick animation.Download it but not buy it...
if not your stuffed
or get a free trial of flash