The Natural Resources Defense Council uses 5 cities to highlight 5 examples of how the implementation of smart growth features can create better places. They uses Memphis as the example of "Smart on a Small Scale" to show how a few changes can really transform a neighborhood. Take a look at the Memphis scenario. It makes it easy to envision your community tree lined, landscaped, infilled, walkable, and bustling with neighbors.
(Thanks, Smart City, for pointing out the study!)