Hello, I made a german tutorial for Push. Unfortunately it is bad sound and usb camera picture. But maybe someone find this useful. I was learning from it
Here the first part:
http://www.youtube.com/watch?v=aCwbCunvrwA
http://www.youtube.com/watch?v=inrpg5ubSM0
http://www.youtube.com/watch?v=AtlqKfQkdXg