@Andreas Nurbo - Sure, no problem. Here are a few examples:

http://littlesketchers.com/
http://littlesketchers.com/members/Cheena.Kaul/profile/
http://littlesketchers.com/members/Cheena.Kaul/studio/

http://www.hmag.com/
http://www.hmag.com/members/joemindak/
http://www.hmag.com/activity/

http://plazaa.de/
http://plazaa.de/profil/ethem/

http://www.virginmediapioneers.com/
http://www.virginmediapioneers.com/get-connected/network/jana/profile/

http://tastykitchen.com/
http://tastykitchen.com/recipes/activity/

http://culture360.org/
http://culture360.org/members

Those are just a few. It's not difficult - just takes time :) If you have constructive input, you should consider contributing to the project. There are a lot of ways to get involved.