Pr import dynamic picture can be stretched on the video track, and the solution is as follows:

1. First, double-click the PR shortcut on the desktop to open PR, as shown in the figure below.

2. Then drag the video imported from the left to the track on the right. You can see that if the video is long, you need to drag it left and right in the window.

3. At this time, press and hold the buttons on both sides of the square scroll bar to drag.

4. When the left side of the scroll bar is combined with the starting point, it is the left side.

5. Finally, you can pull the button on the right side of the scroll bar to zoom.