$title = "Thank you for using SPE!"
$text = "Today is $([datetime]::Now.ToLongDateString())"
$icon = @{$true="Office/32x32/information.png";$false="Applications/16x16/warning.png"}[$SitecoreVersion.Major -gt 7]
$notification = New-Object -TypeName Sitecore.Pipelines.GetPageEditorNotifications.PageEditorNotification -ArgumentList $text, "Info"
$notification.Icon = $icon
$pipelineArgs.Notifications.Add($notification)