Hello. I use Commons as a repository of images, particularily for the purposes of the Polish Wikipedia. I also try help to maintain and organise Commons.
Some galleries set up by me:
Kashubian Griffin, Pomeranian Griffin, Fishgriffin, Upper Silesian Eagle, Lower Silesian Eagle, Port Mrzeżyno, Mrzeżyno, Trzebiatów, Gryfice, coats of arms of West Pomeranian Voivodeship, coats of arms of Pomeranian Voivodeship, Ascanian Eagle