diff --git a/config.php b/config.php
index 7e3c7f26..4b9a51d0 100644
--- a/config.php
+++ b/config.php
@@ -87,6 +87,7 @@ $config = array(
 	// images
 	'outfit_images_url' => 'http://outfit-images.ots.me/outfit.php', // set to animoutfit.php for animated outfit
 	'item_images_url' => 'http://item-images.ots.me/1092/', // set to images/items if you host your own items in images folder
+	'item_images_extension' => '.gif',
 
 	// account
 	'account_management' => true, // disable if you're using other method to manage users (fe. tfs account manager)
diff --git a/system/functions.php b/system/functions.php
index 0a996de6..903570db 100644
--- a/system/functions.php
+++ b/system/functions.php
@@ -168,7 +168,7 @@ function getItemImage($id, $count = 1)
 		$file_name .= '-' . $count;
 
 	global $config;
-	return '<img src="' . $config['item_images_url'] . $file_name . '.gif"' . $tooltip . ' width="32" height="32" border="0" alt="' .$id . '" />';
+	return '<img src="' . $config['item_images_url'] . $file_name . config('item_images_extension') . '"' . $tooltip . ' width="32" height="32" border="0" alt="' .$id . '" />';
 }
 
 function getFlagImage($country)
diff --git a/system/pages/creatures.php b/system/pages/creatures.php
index b875478f..dda4544b 100644
--- a/system/pages/creatures.php
+++ b/system/pages/creatures.php
@@ -146,7 +146,7 @@ if (empty($_REQUEST['creature'])) {
 				$name = getItemNameById($item['id']);
 				$tooltip = $name . '<br/>Chance: ' . round($item['chance'] / 1000, 2) . '%<br/>Max count: ' . $item['count'];
 
-				echo '<img src="' . $config['item_images_url'] . $item['id'] . '.gif" class="item_image" title="' . $tooltip . '" width="32" height="32" border="0" alt=" ' . $name . '" />';
+				echo '<img src="' . $config['item_images_url'] . $item['id'] . config('item_images_extension') . '" class="item_image" title="' . $tooltip . '" width="32" height="32" border="0" alt=" ' . $name . '" />';
 				$i++;
 			}