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.
imgbox - Imgbox is a free image hosting service.
Libris - Libris is an asset management for photos and videos.
BlueMelon - BlueMelon is a premium photograph sharing web benefit, accommodating capacity and online offer of pictures.
Flickr - image and video hosting website