- 1 day we'll have the most photos on Flickr
- 365 - Make 1 shot per day, for 1 year.
- 365 Days Project
- Advanced Amateur Gallery
- Allgäu
- Alpen
- Alpine Landscapes
- Alps
- B&W
- Beautiful is Boring
- Beautiful Mountains
- Canon DSLR User Group
- Canon EOS Digital
- canon photography
- Depth of Field
- Flickr Addicts
- Flickr clickr
- Flickr Fun (Please Read NEW Rules!!)
- Flickr Social Club
- Flickritis: over 87,000 waiting for a vaccine.
- Flower Photography
- Flowers Galore
- in explore
- Inspirational Landscapes
- Inspirational Photography
- Jaguar Cars
- Lonely Planet
- Lonely Planet Publications: Photobook
- Mountain Panorama
- Mountains, Mountains just Mountains...
- Nature Photography
- NATURE ♥ unlimited ♥ (Public Group Forever)
- silver
- Street Photography International - The SPI
- The Fog / The Mist and The Rain
- The Urban Jungles
- The World Through My Eyes ...
- Travel Photography
- visit the world - the travel guide
- Westerwald
- What's your angle, buddy?
- wildlife and the wild
- Young Photographers
- Young Travelers of the World Unite!