Multiple tracks of video can easily be used in Final Cut for some interesting effects. This tutorial from Final Cut King covers some of the basics of this effect, as well as keyframing and cropping.

Watch the video tutorial here.

This is the simplest type of compositing, but it can be very powerful. It can be used to have the same person in the scene twice, have one person moving at a different speed than the other, or even put two bitter actors in the same scene without them having to interact. This tutorial from Final Cut King will show you how.

Watch the video tutorial here.

Sure, it may be a breeze to make this in Photoshop- but not everyone has Photoshop. This tutorial from CaptMench shows you how to make a gunsight completely in Final Cut using techniques that are helpful in other kinds of effects.

Watch the video tutorial here.