I wanted to create a super low budget green screen that I could use for demos, so I took 10-15 minutes and put one together using some left over paper, poster board, and some tape. This might make a good temporary solution for students, teachers, or amateur videographers (like myself) to create some green screen effects on the cheap. It's not perfect, but it's good in a pinch.
Music - "C Blachy" http://ocremix.org/remix/OCR00064/