Photobucket is the most popular site on the Internet for uploading, sharing, linking and finding photos, videos, and graphics. Your free Photobucket account can store thousands of photos and hours of video. Photobucket also offers free tools for making slideshows of photos, videos with music. You can share your photos and videos with friends by email, IM and mobile phone. Plus, you browse through Photobucket's huge online library of photos and videos to find the latest and best photos, images and videos. Finally, Photobucket's online store lets you print pictures, as well as add them to shirts, hoodies, mugs, calendars, stickers, wall posters and more.

Photobucket could really use an "add as a friend" button. You can subscribe to their photos as a RSS feed. Provides the easy copy and paste html to link back to interesting photos you've found by another Photobucket user.