Scratch on Pi via VNC

* install and run TightVNC to allow the Pi to run headless:
sudo apt-get install tightvncserver
tightvncserver

* install Scratch GPIO2:
sudo wget https://dl.dropbox.com/s/oql4qzm8jlnsbeb/install_scratch_gpio2.sh -O /boot/install_scratch_gpio2.s
sudo /boot/install_scratch_gpio2.sh

A Game of Pong

* run the debugging script:
sudo python blink11.py