photo gallery

I have a plethora of folders in my 'Photos' gallery: Camera Roll, Selfies, Video, Bender (four of them), General, Littlies (3 of them), Moving, P_Temp, Mixer, Kids etc., Other Mixers (4 of them), Other Videos, and PFR (2 of them). How did it get like that? Syncing with my PC comes from a...