How do i change the format of a video i made on pivot: stick animator?

um i made a video that i want to post on utube...but it wont let me because it is some weird format that pivot auto assignes (pvt*) and i need to change it to a format that utube can recognize...any one know?How do i change the format of a video i made on pivot: stick animator?
You must go through the process of converting it into a gif. When you save it, the bar beneath it says (.piv), so click and move it to gif. Then, you must put it through Windows Movie Maker to produce a (.wmv), which YouTube accepts. Look at for a demonstration: http://youtube.com/watch?v=9ffSVT8K58E. Also, check out my vid at: http://youtube.com/watch?v=7ZP68_Efd2Y. Hoping to see you there, too.