I would like to promote the latest blog from this series on the @Wikimedia handle. How about:

* TW: 

How to find a balance between quality and coverage? #WhatILearned: Wiki Photo School in Serbia http://blog.wikimedia.org/2015/10/28/wiki-photo-school-in-serbia/

* FB / G+:

This month, series #WhatILearned highlights the experience of Wikimedia Serbia while running a Wiki Photo School in Petnica Science Center. How do you find a balance between quality and coverage when engaging new users to upload their pictures? How do you keep participants engaged? Read and follow the series: http://blog.wikimedia.org/2015/10/28/wiki-photo-school-in-serbia/