A few nice fast prototyping design and style photos I identified:
Speedy Physical Game Design and style & Prototyping. Large experiential games produced collaboratively.
Image by RafaelFajardo
Fast prototyping with design and style students
Image by cesarharada.com
Erica Heinz on Rapid Prototyping #FOWD
Image by placenamehere
Future of Internet Design and style, FOWD NYC 2012, New World Stages, NY, NY