Updated: 12/29/2005
PictureHost
Freepichosting
[Report a dead link]
http://www.freepichosting.com/

Freewebspace.net
Free image hosting. [Report a dead link]
http://www.freewebspace.net/

Glowphoto
Photo hosting. Does not ask for email address so no risk of spam. [Report a dead link]
www.glowphoto.com

Image Shack
Free image hosting. [Report a dead link]
http://imageshack.us/

Imagestation
Image hosting. [Report a dead link]
http://www.imagestation.com/

Photobucket
Hosts pictures for free, so you can link to them in forums. Allows direct linking unlike Webshots. Privacy policy=no spam. [Report a dead link]
http://www.photobucket.com/

Photoisland
[Report a dead link]
http://www.photoisland.com/

Picturetrail
[Report a dead link]
http://www.picturetrail.com/

Shutterfly
Hosts images for free. [Report a dead link]
http://www.shutterfly.com/

Webshots
Photo hosting, does not allow direct linking to your photos. [Report a dead link]
www.webshots.com

Yahoo Briefcase
I think Yahoo hosts images and files via some Briefcase function. Save up to 30mb of files. [Report a dead link]
http://briefcase.yahoo.com