#TBUI from http://www.readmespot.com/question/f/156835/list-all-user-profile-properties-with-powershell---powershell-query

[void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Office.Server")

[void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Office.Server.UserProfiles")

Function global:Get-UserProfiles($SSPName)

{

    $ServerContext = [Microsoft.Office.Server.ServerContext]::GetContext($SSPName);

    $UPManager = new-object Microsoft.Office.Server.UserProfiles.UserProfileManager($ServerContext);

    return $UPManager.GetEnumerator();

}

function GetAllProfilesImages(){

#give SSP name

$profiles = Get-UserProfiles("SSP1");

    $profiles | ForEach-Object {

        $PreferredName     = $_.Item("PreferredName");

        $AccountName     = $_.Item("AccountName");

        $PersonalSpace    = $_.Item("PersonalSpace");

        $PictureURL        = $_.Item("PictureURL");

        if ($PictureURL -ne ""){

            $clnt = new-object System.Net.WebClient;

            $clnt.UseDefaultCredentials = $true

            $url = $PictureURL.ToString();

            $file = 'images\' ;

            $file +=$PreferredName;

            $file += ".jpg";

            Write-Host "downloading $url in $file";

            $clnt.DownloadFile($url,$file)

        }

    }

}

GetAllProfilesImages