PowerShell: Invoke-WebRequest Create Emailer from Ubergizmo RSS Feed

Use this code to create an emailer using Ubergizmo's RSS feed:

[xml]$uber = iwr http://feeds.feedburner.com/ubergizmo
$articles = $uber.GetElementsByTagName('item')

foreach ($a in $articles){
$title = $a.title
$title = $title.replace("???","'")
$title = $title.replace("??",'"')
$link = $a.link
$html = New-Object -ComObject "HTMLFile"
$article = $a.encoded.'#cdata-section'
$html.IHTMLDocument2_write($article)
$imglink = $html.body.getelementsbytagname('img')[0].src
$text = $html.body.innertext
$text = $text.replace("???","'")
$text = $text.replace("??",'"')
$a.creator = ("<table width='100%'><tr><td style=font-family: Arial, sans-serif;><a href=$link><img width=200 align=left src=" + $imglink + "></a><center><h3>" + $title + "</h3></center></td></tr></table><table width='100%'><tr><td style='font-family: Arial, sans-serif;font-size:13;'><p>" + $text + "</p></td></tr></table><hr style='border: 2px solid mintcream;'>")
[System.Runtime.Interopservices.Marshal]::ReleaseComObject($html)|out-null
}

$SMTPServer = "smtp.gmail.com"
$SMTPPort = "587"
$Username = "myemail@gmail.com"
$Password = "mypassword"
$to = "recipient@somemail.com"
$subject = ("Ubergizmo - " + (get-date).tolongdatestring())
$body = $articles.creator
$message = New-Object System.Net.Mail.MailMessage
$message.subject = $subject
$message.body = $body
$message.to.add($to)
$message.from = $username
$message.IsBodyHTML = $true
$smtp = New-Object System.Net.Mail.SmtpClient($SMTPServer, $SMTPPort);
$smtp.EnableSSL = $true
$smtp.Credentials = New-Object System.Net.NetworkCredential($Username, $Password);
$smtp.send($message)