- 15 Challenges - Photo Contest
- 365 Days Project
- 52 weeks project
- Adobe Lightroom
- All New Scavenger Hunt (ANSH) Round 130 in progress
- Autumn Whimsy
- Backyard Photography
- Bee Spotting
- Bees, bees, bees!
- Black Hill Regional Park
- Black white and grey
- Brookside Gardens
- Butterflies
- Capture Maryland Photos
- Crazy Tuesday
- Creative Tabletop Photography
- Flickr Challenge Group!
- Flickr Friday
- Flickr Monthly Scavenger Hunt
- Flickr-at-Home
- FlickrCentral
- Flickrology
- Friends of the National Zoo
- HCSP (Hardcore Street Photography)
- iPhone Camera Shots
- la familia abrazada
- Longwood Gardens
- MACRO MONDAYS
- Macro Photography
- Macros Group
- Maryland Local Parks
- Maryland Nature Photography
- MARYLAND PHOTOGRAPHY
- Maryland State Parks
- Maryland Wildlife
- Montgomery County People, Places, and Events
- National Aquarium
- National Zoo (US) in Washington D.C.
- Night Images
- NIKON D7000 CAFE
- Nikon Digital Learning Center
- Ocean City, New Jersey
- Photography Critique
- Photos from GCC Members
- Project 365
- This is Why I Bought A Camera
- Utata