Through what function i can add small banner on a photo ?

For example in my script for now i use imagettftext()

This is some example
PHP Code:
$image_name $_POST['imagefile'];
$font_size "18"
$font_path "AARDV.TTF"
$text "Bt-Club.Org";    
$image imagecreatefromjpeg($_FILES['imagefile']['tmp_name']);    
$black imagecolorallocate($image0,0,0);   
$Width "10";
$Height imagesy($image);
imagettftext ($image$font_size0$Width$Height-10$black$font_path$text);
header("Content-type: image/jpeg");
imagejpeg($image,$cachefile,100);
imagedestroy($image); 
for now the results



and i want to do like this



thanks for help