I've been a part of the deviantART community for nearly a decade. At first, I created an account merely for the sake of viewing a variety of incredible artwork. I loved to peruse the site, and doing so taught me a lot about different styles and techniques. Viewing the work of others can tremendously improve one's own creative eye, and I attribute much of my growth as an artist to the things I learned just from being involved in this community. In the past year, I have begun sharing my own work to this site in order to interact with this community in a new way. Just recently, one of my photos was featured in a couple collections on this site (which can be viewed here and here), and I feel quite honored.
It has been great to give and receive feedback and to get to know the work of brilliant artists. deviantART does wonders to foster creativity and community among creative individuals. I strongly recommend that any young artist find a community to be a part of, and it doesn't have to be online. Don't be afraid to put yourself out there! You never know who is going to fall in love with your creations.