if($conn->GetRow("SELECT * FROM #__components WHERE option_link='com_weblinks'"))
{
$rs = $conn->Execute("SELECT * FROM #__weblinks WHERE published = 2 ORDER BY date DESC");
if($rs && $rs->RecordCount() > 0 )
$rsw = $conn->SelectLimit("SELECT * FROM #__weblinks WHERE published = 2 ORDER BY date DESC",$count);
}

if($conn->GetRow("SELECT * FROM #__components WHERE option_link='com_downloads'"))
{
$rs = $conn->Execute("SELECT * FROM #__downloads WHERE published = 2 ORDER BY add_date DESC");
if($rs && $rs->RecordCount() > 0 )
$rsd = $conn->SelectLimit("SELECT * FROM #__downloads WHERE published = 2 ORDER BY date DESC",$count);
}

Получается изменять их можно только прямой правкой файлов.