To start sending your devices' camera output to your Twitter account, select the Activate Camera check box. If your device does not have a camera, or you don't want to send any snapshots, just leave this box unchecked. You can of course still receive image timelines from other Twitter users.
Next, use the Enter button to set up the frequency with which pictures should be taken and uploaded to your account.
Click on the Options button to change camera specific settings.
To change your Twitter account authorization settings click on the button labled Twitter.