Green Screening 

• VLN thread with suggestions and examples
• This video shows  a green screen made with fabric, PVC pipes and stretchy cords. It shows the placement of lights to avoid shadows.
• Green Screen by Do Ink is an ipad app that allows you to easily create green screen video. Cost: $4:50 Overview 
• Using Green Screen by Do Ink in a makerspace
• TCEA Tips for Green Screening
• Why & How to Green Screen in Class
• Using a Virtual Green Screen video -projected onto whiteboard or screen​

Some examples 

• https://vimeo.com/24447427 - van Gogh style
• ​https://vimeo.com/24108372 - shoes
• ​https://vimeo.com/38744530 Netsafe Scammers
• https://vimeo.com/24443891 school news

Static Images

It is quite simple to remove a background from a static image using the Instant Alpha tool in Pages or Keynote or the Remove Background tool in Powerpoint.
Using Instant Alpha in Keynote on iPad​ 
​Using Remove Background