picinfinity - Picinfinity is an image retaining/proxy site.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Flickr - image and video hosting website
Libris - Libris is an asset management for photos and videos.
ImageShack - Unlimited space to host images, easy to use image uploader, albums, photo hosting, sharing, dynamic image resizing on web and mobile.
YouTube - Our mission is to give everyone a voice and show them the world.