Using Nagios dashboard.
The best way to view any kind of alerts shown is Nagios is via various dashboards available within Nagios itself.
Also, these can be found within Nagios exchange.
These dashboards can be shown on large screens, Led’s, projector for monitoring team to get alerts visibility very clear.
One such kind of dashboard is, nagios dashboard.
This is a small php script which shows critical alerts.
The plugin can be found in Nagios exchange at -
This is basically a single file and can be copied to /var/www/nagios/share (Default doc root if installation is done via apache).