Imgur's Video to GIF - Make a GIF from hundreds of video sites
Img.vision - Image hosting & video hosting for eCommerce sellers
Drop to GIF - Super simple movie to GIF conversion
UploadHouse - Thumbnail and resize your photos and images
Mixbook - Mixbook is an online photo design tool and product service that allows customers to design customized photo books, cards, calendars, and photo prints through its online interface.
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.