Camera icon

That means the service is live on your account. To post a photo, click the icon.

Oops, that’s not an image

If you try to upload a video or a doc, you’ll get this alert.

Enter text

Once the photo’s uploaded, all you have to do is type your tweet and click send.

Pic displays on the right pane

If you click a tweet with a photo, it appears in the right pane with a “Powered by Photobucket” line underneath. It’s just like TwitPic or Yfrog on Twitter.

Another test

If you click the link, it takes you to the tweet with the picture, not the actual jpeg.