Flash mouse timeline

Hi,

I have a quick question, imagine a movieclip with lots of different images on each frame. When this is played it just shows the images play one after the other really quickly.

How would i implement a button or rollover where as the movie clips plays quickly going through all the images - that when i roll the mouse over the the clip and it will stop on the selected image that appears at the time, so when i roll over it again it will stop on another image on the movieclip time line.

thanks