Online Photography Tools and Resources (+ Edit)
Photos are everywhere on the web. From sharing with friends, to editing, printing, buying, selling, searching, remixing and free hosting, Mashable has lined up a plethora of resources for photo fiends - an outstanding list of 90+ Online Photography Tools and Resources.
In addition, the Photo Freeware website has free tools, software, filters and resources available as well.
Edit 06/26/2007: The Smiley Cat web design blog has posted an interesting comparison of online photo and image editors. Several others are mentioned in the post’s comments. These may be worth having a look at as well.