Miért nem enged képeket megjeleníteni a Google Chrome?

Ez a kód, már bocs, hogy ide írom:

<div class="search"></div>

<?php

include("connect.php");

if (isset($_POST["comment"])) {

$indicator = 0;

if (!empty($_POST["comment_text"])) {

$comment = $_POST["comment_text"];

$indicator += 1;

}

if ($indicator == 1) {

$comment_sql = $conn->prepare("INSERT into comment (comment, username, ad_id) values(?,?,?)");

$comment_sql->bind_param("ssi", $comment, $_SESSION["username"], $_GET["single_ad"]);

$comment_sql->execute();

}

}

?>

<main>

<div class="advertise_holder">

<?php

if (isset($_GET["single_ad"])) {

$ad_id = mysql_real_escape_string($_GET["single_ad"]);

if (!filter_var($ad_id, FILTER_VALIDATE_INT) === false) {

}

else {

header("location:index.php");

}

}

else {

header("location:index.php");

}

$sql_single = "SELECT * from advertise where id = '".$ad_id."'";

$sql_pic = "SELECT * from adpics where id = '".$ad_id."'";

$result_single = $conn->query($sql_single);

$result_pic = $conn->query($sql_pic);

$pic_counter = 0;

$sql_title = "SELECT * from advertise where id = '".$ad_id."'";

$result_title = $conn->query($sql_title);

if ($result_title->num_rows) {

while($row = $result_title->fetch_assoc()) {

echo "<div class='ad_title'><h1>".$row["ad_title"]."</h1></div>";

echo "<br>";

echo "<br>";

}

}

if ($result_pic->num_rows) {

while($row = $result_pic->fetch_assoc()) { $pic_counter += 1; ?>

<div class="adpic_holder">

<div class="ad_pic" id="ad_pic<?php echo $pic_counter; ?>"><img src="advertise_pictures/<?php echo $row["pic"]; ?>"></div>

<?php }

}

?>

</div>

<?php

if ($result_single->num_rows) {

while($row = $result_single->fetch_assoc()) { ?>

<div class="city">

<div class="ad_phone">

<h3>Név: <?php

$username_sql = "SELECT name from registration where username = '".$row["username"]."'";

$username_result = $conn->query($username_sql);

if ($username_result->num_rows) {

while($row_usr = $username_result->fetch_assoc()) {

echo $row_usr["name"];

}

}

?>

</h3>

</div>

</div>

<div class="city">

<div class="ad_phone"><h3>Település: <?php echo $row["city"]; ?></h3></div>

</div>

<div class="phone">

<div class="ad_phone"><h3>Telefonszám: <?php echo $row["phone"]; ?></h3></div>

</div>

<div class="price">

<div class="ad_price"><h3>Ár: <?php echo $row["ad_price"] . " Ft.-"; ?></h3> </div>

</div>

<div class="message">

<div class="ad_price"><a href="?pages=private_message&single_ad=<?php echo $_GET["single_ad"] . "&username2=" . $row["username"]; ?>" target="_blanket">Üzenet küldés</a></div>

</div>

<div class="ad_text"> <?php echo $row["ad_text"]; ?> </div>

<?php } ?>

<?php } ?>

<br>

<form method="post" class="comments">

<textarea id="comment_text" name="comment_text">

</textarea>

<br>

<div class="submitholder">

<input type="submit" name="comment" class="commenteles" value="küldés!"/>

</div>

</form>

</div>

<div class="commentread">

<?php

$read_sql = "SELECT * from comment where ad_id = '".$_GET["single_ad"]."' order by timestamp DESC";

$read_result = $conn->query($read_sql);

$count_comment = 0;

if ($read_result->num_rows) {

while($row = $read_result->fetch_assoc()) { $count_comment += 1; ?>

<div class="singlecomment" id="comm<?php echo $count_comment; ?>"><h3><?php echo $row["username"]; ?> üzenete: </h3><?php echo $row["comment"] . "<br>"; echo $row["timestamp"]; ?></div>

<?php }

}

?>

</div>

</main>