A new feature being tested out right now, allows for the use of your webcam right in the popcorn maker. Check it out @ http://webcam.mofostaging.net/templates/basic/
How to: Popcorn Maker – YouTube Upload Tool: http://chrisdecairos.ca/popcorn-maker-webcam.html
Also, another feature coming up through testing will allow for multiple videos/media sources and sequencing.