- **A Big Fave (INVITE ONLY PLEASE)
- *Challenge You* Join the ICON Challenges!
- 1 - The One From All Group - A photo from every Flickrist
- ABSTRACT ART - *comment 1 per post
- Abstract Impressions
- Abstract Photos and Art
- American GTO
- Anything Nashua
- B&W Philly
- Barack Obama Photos
- Battleship New Jersey
- Birds stamps
- Black and White
- Bluebird
- Boston Marathon
- Bricks
- Bridge Photos - Only Best Quality - By Invitation Only
- Bridges
- Buoys & Fender
- C-130
- Camden, NJ
- Canon EOS 5D Series
- CAPE MAY NJ
- Center City - Philadelphia
- Chandelier
- Collingswood, NJ
- Cormorants
- Criticism Welcome
- Derry, New Hampshire
- Diners
- Drummers
- Eastern Bluebirds
- ferris wheels
- Fire Escape Photography
- Fireworks
- Fireworks - Just Fireworks
- Flickr Challenge Group!
- Gloucester Massachusetts & Cape Ann
- Green is Beautiful
- Group for the Protest Against Forced Merging With Yahoo!
- Gruas / Garabiak / Cranes
- Gulls
- Hay, bale & stubble
- hayworld
- Historic Water Mills
- International Pigeons
- It Was Nam
- Jumping Project
- Kate Day's Photo Competition
- Lawrence, MA
- LIGHTHOUSE LOVERS
- Lighthouse: A light in the darkness
- Lighthouses of the World
- Lobster Pot Buoys
- Lockheed C-130
- LOGGING & SAWMILLS
- Lowell, MA
- Manchester, NH
- Murals and Mosaics
- Murder Shack
- New Jersey Lighthouses
- New Jersey Shore
- Newburyport, MA
- Nubble Light
- Obama '08
- Ocean City, New Jersey
- Old MacDonald Had A Farm (Animal)
- Old Mills Anywhere
- Philadelphia At Night
- Philadelphia Museum of Art
- Philadelphia Scenes
- Philadelphia Street & Documentary Photography
- Philadelphia Unfiltered
- Philadelphia Urban Explorers
- Philadelphia, PA
- Philadelphia: The Charm of the City
- Philly
- Philly Live
- Philly Photos
- Phillyist
- Pictures with Frames (post a max of 5 per day)
- Portsmouth New Hampshire
- Puffer Fish
- Rabbit
- Seacoast
- Shades of White
- Skylines of the World
- Smiles/Sorrisi/Sonrisas
- SPIDERS
- squared circle
- Sunrise, Sunset -- Anything Sun!
- The Best Of HDR
- Top 20 Autumn (delete one to post one)
- Top 20 Beach Shots
- Top 20 Orange
- Top 20 Spiders
- Top 30 Green
- TOUR OF DUTY
- Veteran War Pictures
- Vietnam Veterans
- Vietnam. Memories & Photos of today and yesterday
- Wagon Wheels Only
- Water Birds
- Yellow