Processing. What it is and how to get it:

• Processing.org
• Processing Language Reference
• Processing Examples

Precedents:

• Joshua Davis
• French Automata
• Wooden Mirror
• Zach Lieberman "Drawn" (http://www.thesystemis.com)
• Evan Roth
  • "Grafitti Analysis" (http://a.parsons.edu/~roth/thesis/TEMP_graf_analysis/index.html)
  • GRL (http://graffitiresearchlab.com/?page_id=76)
• Cory Arcangel "Cloud" (http://www.beigerecords.com/cory/Things_I_Made_in_2003/)
• John F. Simon Jr. "Every Icon"(http://numeral.com/appletsoftware/eicon.html)
• Map of the Market (http://www.smartmoney.com/marketmap/)
• Jared Tarbell "SUBSTRATE"
  (http://complexification.net/gallery/machines/substrate/)
• Flight404
  (http://flight404.com/blog/)
• Casey Reas "GroupC"
  (http://groupc.net/)
• {Software} Sructures
  (http://artport.whitney.org/commissions/softwarestructures/)

Practice. What you need to know to start being a programmer:

• Wikipedia: Flowchart
• Wikipedia: Pseudocode
• Wikipedia: Hello World!