Free online stock photography
16 May
It’s an obvious use of the amazing photographic talent being showcased on the web to launch a collaborative online stock photography site such as sxc.hu.
A cursory glance suggests that the quality of photos is pretty good, and I like it that they’ve included simple collaborative filtering features like rating and comments.
I haven’t yet done the complete analysis to see if they meet my earlier design criteria for stock photography sites, but at least they’ve got the URL/linking part right. There’s a “My Photos” feature and some folders shared between all users, but I can’t figure out how to use them 
Check out this introduction article on Stock_photography:
<a href="http://www.articleworld.org/Stock_photography">Stock_photography</A>
Content:
1.History
2.How it works
3.Client/ buyer options
4.Photographer options