- !Best Black-and-White Images Ever (P1/A2)
- !Catchy Colors
- !Flickr Macro
- 50mm
- A Picture, A Story, A Pearl
- Abstract Impressions
- all the little details
- Arbres N&B
- Art Grown in Nature
- Art of Monochrome
- Artists of AGIN
- Audubon magazine
- Bird Perfect (Moderated)
- Birds Photos - Check out the new discussions!
- Black and White Photography Art
- CLOSE LOOK
- Color Escape: MONOCHROME (ONE COLOR)
- Color My World Daily (GREEN DAY on THURSDAY)
- Colorful Nature
- Crazy Tuesday
- Creative B&W Photo Artistry
- Creative Photography
- EXQUISITE STILL LIFE 30/60 applies
- Flickr Friday
- Flickr Social
- Flickr Worldwide Photowalks
- Flickr's 20th Birthday Photo Contest
- Floral Friday
- Freitagsblümchen - friday flora
- Green is Beautiful
- I Love Black and White!
- in explore
- Landscapes Only
- Less Is More...
- Looking close... on Friday!
- MACRO MONDAYS
- Make me smile! :-) (closed for a while)
- Maximal minimalism
- Mittwochsmakro - Wednesday Macro
- Modern Sculpture
- Moments [of Beauty] -(INVITE ONLY)
- Murals and Mosaics
- National Geographic Society
- Painted Wall Art
- Patagonia - Wilderness Untamed!
- Photo Artistry
- Porfolio Black and White 2
- Portraits with soul
- poetry shot
- Urban contemporary sculptures
- SF Bay Area Shooters (sfbas)
- Sliders Sunday -- Post Processed To The MAX!
- Smile on Saturday! :-)
- Still Life Photography
- Still Lifes - Curated
- Street Photography - Image of People.
- The Flickr Lounge
- The Storybook Challenge Group*Weekly Ch. please VOTE!
- Thursday monochrome (Donnerstagsmonochrom)
- Weekly Theme Challenge: Enter & Vote
- Window Wednesdays
- World of Birds
- WORLD OF GREEN
- World Photography Day Contest 2021
- ηαтυяє