When you need to share photos right away (and discuss them with someone in real time!), Yahoo! Messenger is the ticket. Right in your IM window, you can share from 1 to 300 photos at a time. You can also see the photos your friend is looking at.
You can even make free worldwide PC-to-PC calls with Yahoo! Messenger, and discuss those photos right on the spot. Here are some other tips for sharing photos in Yahoo! Messenger:
Click the Photos icon to start sharing photos.
Once your friend accepts the invitation, you can either share photos in your Yahoo! Photos account, or drag and drop photos stored on your computer into the IM window.