need help!! about building extension.

HI! Sorry! for Disturbance. Recently, I selected a webhosting for my website. It's Linux platform ,has many features but no GD support. It can use dl() function, but I don't know how to create the extension and can't find any solution in the webs. So, please tell me how to create it or where can I download gd.so . Information about server: Linux make2.plesk.ru 2.4.7-10 enterprise Apache/1.3.26 Server PHP 4.1.0 More information about the hosting can be found at http://www.manydomain.com/phpinfo.php Thanks, Please reply as soon as possible. Patinya. ------ PS: I used MSN to send you a mail but it not success and have error message like this Hi. This is the qmail-send program at pb1.pair.com. I'm afraid I wasn't able to deliver your message to the following addresses. This is a permanent error; I've given up. Sorry it didn't work out. <php-mirrors@lists.php.net>: ezmlm-reject: fatal: Sorry, I don't accept messages of MIME Content-Type 'text/html' (#5.2.3) ---------