Picture websites

Flickr

An online photo management and sharing application

ImageShack

They provide an easy-to-use image hosting service for everyone

Deviantart

A great community for young artists. Upload your photos, drawings and such

Tinypic

A photo and video sharing service that lets you easily upload, link and share

Photobucket

Upload your photos, host your videos, and share them with friends and family

Fumpr

You don't need to register, just quickupload and it's there for you