Apple Final Cut Pro X (10.1.2) - Manual (Page 371)

Chapter 11 Keying and compositing 371
Use Transform to position the foreground image
The following steps assume you have already configured a key but need to reposition the
foreground image.
1 Select the foreground clip in the Timeline.
2 In the lower-left corner of the Viewer, choose Transform from the pop-up menu and move the
image to the position you want. In the above example, you might want to move the woman to
the left.
You can also resize the image.
3 Click Done in the Viewer when you are finished repositioning the foreground image.
67% resize factor