Mixily - Hosting your event just got easier.
Img.vision - Image hosting & video hosting for eCommerce sellers
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
BeeIMG - BeeIMG is a simple, fast, easy image sharing solution created to fill up your image sharing needs.
Balloon - A drop box for your Dropbox
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.