

Enter these values and click OK:
Style: Star
Number of sides: 4.
Star Point Size: 0.10.
Now draw the Star (without a stroke color).
Make the star into a movie clip entitled star_mc. Now double click on it.
On frame 1 you will see your star. Go to Properties>Tween. Select Motion from the drop down Menu. Name it as star_in_mc. Go to frame 10. Press F6 to insert a new keyframe. Select the star and go to Modify > Transform > Rotate CW. Repeat Modify>Transform>Rotate CW thrice. Your rotating Star movie Clip is ready. You will see it in the Library Window also. This movie clip star_mc will not be there in the sparkle layer but stored in the Library, we will use it later.