Building a community photography site, where can I store my photos online?

Question

I am in the process of laying down the requirements for a photography community site. An important feature to investigate would be allowing more fotos/account than rival sites around my country's internet. What are the possibilities out there?

Should I go for something like amazon S3, or is there anything that offers more image-related features? I am mostly interested in low price per GB (storage and transfer out).

Answer 1

How about a Flickr/Picasa integration? The users use their own Flickr/Picasa account to store their photo and use the features in your site. In that case you pay for nothing for storing photo :P

I myself would like to have a single photo storing acc. instead of having individual acc. for each site.