There's tons of them out there... Winkflash and Snapfish let you organize your pictures into folders for better organization.
www.winkflash.com www.snapfish.com www.photobucket.com (photobucket will give you http:// addresses, HTML tags, and image codes for your photos so you an upload them here and to other messageboards, forums, whatever!)
Check out mine! It's where I store all of the signatures that I make!
http://s8.photobucket.com/albums/a18/Bigsweetie/