I would like to know how to get the image name by user id, I have this bd: 
I would like to display only the image of the claudiomiro, and not all of those in the bd ... this way:
Ihavethiscodetouploadtheuser/password/name/image,theimageisintheimagesdirectory,andonlythenamegoestobd...
Index.html
<html><head></head><body><formmethod="post" action="index.php">
<label>Usuario:</label><input type="text" name="user">
<label>Senha:</label><input type="password" name="pass"><input type="submit" value="Entrar" />
</form>
<form method="post" enctype="multipart/form-data" action="cadastrar.php">
<table>
<input type="hidden" name="id"/>
<tr><td>Nome:</td><td><input type="text" name="nome" maxlength="50" /></td></tr>
<tr><td>Usuário:</td><td><input type="text" name="usuario" maxlength="50" /></td></tr>
<tr><td>Email:</td><td><input type="text" name="email" maxlength="200" /></td></tr>
<tr><td>Senha:</td><td><input type="password" name="senha" maxlength="50" /></td></tr>
<tr><td></td><td><input type="password" name="senha2" maxlength="50" />
<tr><td>imagem:</td><td><input type="file" size="60" name="arq" value=""></td></tr>
<tr><td></td><td><input type="submit" size="60" name="enviar" value="Upload"></td></tr>
</table>
</form>
</body>
</html>
Index.php:
<?php
require_once("config.php");
mysql_connect("$host", "$usuario", "$senha");
mysql_select_db("$db");
$user = $_POST['user'];
$pass = $_POST['pass'];
$resultado = mysql_query("SELECT * FROM notas WHERE id='".$id."'");
$verificacao = "SELECT * FROM users WHERE usuario ='$user' AND senha = '$pass'";
$resultado = mysql_query($verificacao);
$iniciar = mysql_num_rows($resultado);
mysql_select_db("usuarios", mysql_connect('localhost','root',''));
$linha = mysql_fetch_array($resultado);
if ($iniciar == 1){
?>
<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div id="header"><div id="logo">Logo</div>
<div id="menu">
<li><a href="perfil.php?id=<?php echo $linha['nome']; ?>"><?php echo $_POST['user'];?></a></li>
<li><a href="#">Encontre alguém</a></li>
</div>
</div>
</body>
</html>
<?php
}else{
header("Location: index.html");
}
?>
Register.php
<?php
require_once("config.php");
mysql_connect("$host", "$usuario", "$senha");
mysql_select_db("$db");
if ($_POST['enviar']) {
$tempname = $_FILES['arq']['tmp_name'];
$new_name = uniqid();
$extension = strtolower(pathinfo($_FILES['arq']['name'], PATHINFO_EXTENSION));
$folder = "imagens";
$name = $_POST['nome'];
$usuario = $_POST['usuario'];
$email = $_POST['email'];
$senha = $_POST['senha'];
$senha2 = $_POST['senha2'];
$verifica = "SELECT *FROM users WHERE usuario = '$usuario'";
$checar = mysql_num_rows($verifica);
if ($checar == 0) {
mysql_query("INSERT INTO users (nome,usuario,email,senha,senha2,foto) VALUES ('".$name."','".$usuario."','".$email."','".$senha."','".$senha2."','".$new_name.".".$extension."')");
move_uploaded_file($tempname, $folder."/".$new_name.".".$extension);
echo "Usuario cadastrado com sucesso";
}else{
echo "O usuario já existe!";
}
}
?>
Profile.php
<?php
require_once('config.php');
require_once("config.php");
mysql_connect("$host", "$usuario", "$senha");
mysql_select_db("$db");
$sql = mysql_query("SELECT * FROM users")OR DIE(mysql_error());
while ($res = mysql_fetch_array($sql)) {
$id = $res[0];
echo ("<img src=imagens/".$id.$res[foto]);
}
?>
(where the image should go) But all the stored images go, but I would like only that of the claudiomiro to appear ... I keep waiting = D