There's also animateaware.com and FXimation on the iOS app storeThank you - that 2nd one is just perfect!
As for the joke (1st one) - I totally appreciate it - reminds me of http://www.homerswebpage.com/
To remove the green part all you need to do is use a chromakey or green screen effect in an editing software. I recommend using lightworks since it is free, and really easy to do green screen in.Anyone knows how to remove the green part of the second video?