The images embedded in that article aren't zoomable right now. Until they are, here are direct links to the fullsize images:
Current supercharger locations: http://media.treehugger.com/assets/images/2012/10/Tesla-supe...
Supercharger mockup: http://media.treehugger.com/assets/images/2012/09/Tesla-Supe...
Long-term plan: http://media.treehugger.com/assets/images/2012/09/Tesla-Supe...
Supercharger close-ups: http://media.treehugger.com/assets/images/2012/09/Tesla-Supe...
Charging dashboard: http://media.treehugger.com/assets/images/2012/09/Tesla-Supe...