As a free knowledge and content supporter I just participate in contests that promote this goal, specially Wiki Loves Monuments (the biggest photo contest in the world in terms of participants and media according to the Guinness Worlds Records), Wiki Loves Earth and Wikimedia Commons Picture of the Year. My pictures have made it to the final in the 3 main free license contests worldwide:

Wiki Loves Monuments rank 8 in 2017
ranks 17 and 24 in 2016
ranks 21 and 23 in 2015
rank 10 in 2014.
Wiki Loves Earth rank 2 in 2016
Wikimedia Commons
Picture of the Year
ranks 5 and 11 in 2015
– finalist in the 2014, 2016 and 2017 editions.