you want to earn from your photography skills you can sell your photos in the market now a days people use photos from google but they do not have the copy right to that image there entire successful website could crash down due to violating the law ..
big companies buy pictures, companies such as web development etc so y not earn from your photos
the link to one site that i found good is given below if know ny site better than this thn comment the link nd dont forget to upvote
workwithus.istockphoto.com