ArtWeb - Leading website for artists; create easy and free websites for your art. Artists web page template.
Flickr - image and video hosting website
CGSociety - Community for Computer Graphics artists
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
3dtotal - Discover the latest in the world of digital art – learn from fellow artists, create your own masterpieces, and share them with the art community.
Google Photos - All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.