A ma to że w cookie jest ID sesji (phpsessid).
downloadimg("http://www.mpcforum.pl/uploads/av-216891.jpg", "C:\", "cookie.txt")
Func downloadimg($url, $to, $cookiefile)
$WinHttp = ObjCreate("winhttp.winhttprequest.5.1")
$WinHttp.Open("GET", $url)
$WinHttp.SetRequestHeader("Cookie", FileRead($cookiefile))
$WinHttp.Send
$f = FileOpen($to, 10)
FileWrite($f, $WinHttp.ResponseBody)
FileClose($f)
EndFunc ;==>downloadimg