To get you started:
<form method="post" action="<? echo "$PHP_SELF"; ?>">
Description: <textarea cols="" rows="" name="description"></textarea><br><br>
Url: <input type="text" name="url" size="25">
<br><br>
<input type="submit" name="send" value="SEND">
<?
if ($send) {
$connection = mysql_connect ("host", "username", "password") or die ( "Couldn't connect to server.");
$db = mysql_select_db ("database_name", $connection) or die ( "Couldn't select database.");
$sql = "insert into links (description, url) values ('$description', '$url')";
$dosql = mysql_query($sql) or die("Couldn't execute query.");
}
?>
That's it as far as adding description and url to the database, into a table called "links". Sorry can't help with the output (pulling data out of database) - don't have time!