You cannot use this on the public library terminals, as you need to download a plug-in.

It is a way to quickly upload a bunch of images to many different image hosting sites and stores. The basic version is free.

Flickr also has a batch loading feature

Web-based Image Tools and Online Services

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http://www.ojr.org/ojr/stories/080228niles/

http://www.ojr.org/ojr/stories/080318niles/

http://graphicssoft.about.com/od/onlineimagetools/Webbased_Image_Tools_and_Online_Services.htm