Just a small idea for improving gnome-screensaver. When the screen is locked, other people can leave messages, which show up as libnotify pop-ups. It’s not obvious to the person leaving the message how it will appear, though, so I think we should add a From: field to encourage them to sign their name. Otherwise you might not know who left the message.
Currently it looks like this:
and the pop-up looks like this:
I think we should add a From: field like this:
and the corresponding pop-up could look like one of these: