Img.vision - Image hosting & video hosting for eCommerce sellers
Libris - Libris is an asset management for photos and videos.
UploadHouse - Thumbnail and resize your photos and images
picinfinity - Picinfinity is an image retaining/proxy site.
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.
Imagesocket - A different kind of image hosting