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Extending the Length of Your Animation
Before we go any further, now were going to need to extend the length of our animation. Although our movie clip can be put on one frame alone and it will play on that single frame in Flash, were going to want to space and time these, which means that well need some extra frames to work on. To extend the length of the animation, all youll need to do is go to each layer, and then copy the first frame in that layer and paste it in the last frame in that layer. (Do this for every layer except for the fireworks layers.) Im going to set mine at 4 seconds, which means pasting my last frames on the 48th frame in each layer. Youll see that the gray area will extend out to fill all of the frames in between, showing that the shapes on these layers are holding static and consistent through those frames.