Captures tagged as "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++" by _Anonymous

You can specify security settings for your capture in the upload dialog of your uploader:

or:

Alternatively, registered users can specify visibility settings in the image control panel: