Create a button with a motion tween

Right now I am in the prossess of making a game in flash mx. One of the things I want to add to my title screen and all of my other screens is to have a coin that I want to spin on my screens but stop spinning when the mouse is over that coin. Then it would allow the user to press on that coin just like you would any other button. I just need to be pointed in the right direction. Or any insite that some of you might have will be helpfull.
thanks