<html>
<body>
<?php
$img=ImageCreate(300,300);
$bgcolor=ImageColorAllocate($img,200,200,200);
$red=ImagecolorAllocate($img,255,0,0);
Imageellipse($img,50,50,100,50,$red);
ImagePNG($img,"pic.png");
ImageDestroy($img);
?>
<img src="pic.png" border=0>
</body>
</html>