LoL

Examples of open projects (you'll probably want to start from there) :
http://www.openprocessing.org/

Tutorial + examples :
http://processing.org/learning/
http://processing.org/learning/basics/
http://processing.org/learning/topics/

Processing programming reference :
http://processing.org/reference/
http://processing.org/reference/libraries/

And you can buy a book: http://processing.org/learning/books/

Good luck

Thanks to you, ignivome! As a newbie trying to explore this forum, you're such a great help. i've saved the links, too. Again thanks & may your tribe increase.