davideriboli:

• Hello Processing [ http://hello.processing.org/ ]
• Fun Programming [ http://funprogramming.org/ ]
• The Nature of Code on Vimeo [ http://vimeo.com/channels/natureofcode ]
• Plethora Project [ http://www.plethora-project.com/education/2011/09/12/processing-tutorials/ ]
• Tutoprocessing [ http://tutoprocessing.com/tutos/ ]