Hello to all,
The npOsds plugin allow you to show On Screen Display messages from your publications. Not only one message, but you can show lot of them, and control everyone separatelly. You can set every message font, color, text alignment, position, location, timeout, etc. A common example of use for a plugin like this as the volume information in some media players: this appear at the top of every Windows™, like a progress bar, using this kind of On Screen Display messages.