Script to Add Header and Links to Quick Launch

Add Header

$w = get-spweb http://SharepointWeb

$nav = $w.Navigation.QuickLaunch

$head=$nav|where { $_.Title -eq "Lists" }

$newLink = New-Object Microsoft.SharePoint.Navigation.SPNavigationNode(“Custom Home", "/Site/SitePages/Home.aspx")

$nav.Add($newLink,$head)

Add Links

$w = get-spweb http://SharepointWeb

$nav = $w.Navigation.QuickLaunch

$head=$nav|where{$_.Title -eq "Custom Header"}

$newLink = new-object Microsoft.SharePoint.Navigation.SPNavigationNode -argumentlist @("Home", "http://SharepointWeb/SitePages/Home.aspx")

$head.children.AddAsFirst($newLink)