Melissa Preston, the art lead for Pirate101 who wrote an article looking at what a typical day entails in her job.
She says that one of her favorite parts of the day is reviewing the art book to see progress being made: "All of the pieces have to work together to tell a story and they need to be believable in the same world."
Much of Preston's job is coordinating between departments and her own team to make sure that everything syncs up. She also provides a few pieces of concept art with explanation as to the stories behind each. It's an interesting job that doesn't always get the spotlight in the way that other developer positions do, so check it out and learn a thing or two about what artists do for MMOs!