- "Quotation Mark" Abuse
- 2006-Your Single Best Shot
- Aeronautical
- Aperture Users
- Aviation
- Black Cat Kizzy
- California Academy of Sciences
- Canon EOS 40D Users
- Control Panel
- Defcon 17 (AKA Defcon 2009)
- Facebook.com Canon Digital Photography
- Flickr Addicts
- FlickrCentral
- flickrville group
- Flying
- Focus on Disney World
- GA flying
- In My Element
- IronPort
- MOON Shots
- Napa
- Nice pictures
- Portrait (real persons only)
- ProjectMayhem
- San Francisco
- Sunrises and Sunsets
- Sunsets & Sunrises around the world (We Rock Again!)
- Sutro Tower
- tvl30
- VMware Employees