How to use green screen?

1. Create a green screen background by painting a wall green or covering it with a green cloth or covering it with a big piece of green paper.

     2.  If you are using fabric, mount it to the wall using glue strips or liquid nails.

     3.  Light the green screen separately from the subject to eliminate hot spots.

     4.  Make sure the subject does not wear anything with the colour green unless the subject wants to be        invisible.

     5.  Place the talent far enough away from the green background to create separation between the two.

     6.  Light the subject to eliminate shadows.

     7.  Shoot your footage and then load into your editing system for the background change.