These are pictures from BSDCon and related events, starting with Murray's BBQ, the BSDCon, and ending with the FreeBSD Developer's summit.
Wed-Dinner Reception (People Pics)
Wed-BoF BSD Status Report
Thu-Sess1 (crypto, invited talk)
Thu-Sess2 (lunch, using BSD talks)
Thu-Sess3 (Work In Progress talks)
(no pics of the Thu BoFs because I was doing one myself)
Fri-Final (Break Photos, T-Shirts, Final)
About the author: Matt Dillon has been hacking kernels since 1985 and is also a long time amateur photographer. Most of the pictures above were taken in low light conditions with a Canon EOS-10D either with the flash (ISO-200 1/60) or using non-flash ISO-800 1/30 second exposures.