- Against Censorship at Flickr CREATIVE ONLY
- ART DISTRICT
- Best VIDEOS on Flickr!
- BLK RIVER 2010
- ekosystem.org
- Environment
- Flickr Art Directors Club
- FlickrCentral
- Graphic Design
- Just Videos
- Photos That Rock! Comment 2
- Protests, Political Art, Democracy, Social Change
- STENCIL
- Stencil Art
- Stencil History X
- STREETART
- Streetsy.com
- Typophile // typography, lettering and design
- unurth pool
- urban art
- Urban Decay
- Urban-explora (NO GRAFITTI , SPARK & LIGHTPAINT-photos!)
- Vorgartenmarkt
- Wooster Collective