diff --git a/controllers/MotherCtrl.php b/controllers/MotherCtrl.php
index 5097536..a08395f 100644
--- a/controllers/MotherCtrl.php
+++ b/controllers/MotherCtrl.php
@@ -19,6 +19,7 @@
 		
 			$objSmarty	= new Smarty();
 			$objSmarty->registerPlugin('modifier', 'vardump', 'var_dump');
+			$objSmarty->registerPlugin('modifier', 'file_exists', 'file_exists');
 			$objSmarty->caching = false;
 
 			$objSmarty->force_compile = true;
diff --git a/uploads/projects/1.jpg b/uploads/projects/1.jpg
new file mode 100644
index 0000000..49225e0
Binary files /dev/null and b/uploads/projects/1.jpg differ
diff --git a/uploads/projects/2.jpg b/uploads/projects/2.jpg
new file mode 100644
index 0000000..79d260f
Binary files /dev/null and b/uploads/projects/2.jpg differ
diff --git a/uploads/projects/3.jpg b/uploads/projects/3.jpg
new file mode 100644
index 0000000..01de3c8
Binary files /dev/null and b/uploads/projects/3.jpg differ
diff --git a/uploads/projects/4.jpg b/uploads/projects/4.jpg
new file mode 100644
index 0000000..22daa29
Binary files /dev/null and b/uploads/projects/4.jpg differ
diff --git a/views/_partial/preview.tpl b/views/_partial/preview.tpl
index cdc474f..19ff6d3 100644
--- a/views/_partial/preview.tpl
+++ b/views/_partial/preview.tpl
@@ -4,7 +4,7 @@
 
         <div class="ratio ratio-4x3">
             <a href="index.php?ctrl=project&action=display&id={$objProject->getId()}"></a>
-            <img src="{$smarty.env.IMG_PROJECT_PATH}{$objProject->getThumbnail()}"
+            <img src="{$smarty.env.IMG_PROJECT_PATH}{if ($smarty.env.IMG_PROJECT_PATH|cat:$objProject->getThumbnail())|file_exists}{$objProject->getThumbnail()}{else}{math equation="rand(1,4)"}.jpg{/if}"
                  class="w-100 h-100 object-fit-cover"
                  alt=""
                  loading="lazy">
@@ -15,7 +15,7 @@
         <div class="card-body p-3 bg-light">
             <div class="d-flex align-items-start gap-3">
                 <a href="index.php?ctrl=user&action=user&id={$objProject->getUser_id()}">
-                <img src="{$smarty.env.IMG_USER_PATH}{$objProject->getUser_image() ?? "images.jpg"}"
+                <img src="{$smarty.env.IMG_USER_PATH}{if ($smarty.env.IMG_USER_PATH|cat:($objProject->getUser_image()))|file_exists}{$objProject->getUser_image()}{else}images.jpg{/if}"
      				class="rounded-circle flex-shrink-0 border border-2 border-white"
      				style="width: 64px; height: 64px; object-fit: cover; margin-top: 8px;"
      				alt="Photo de profil">
diff --git a/views/project_display.tpl b/views/project_display.tpl
index 574c6ad..d3fa773 100644
--- a/views/project_display.tpl
+++ b/views/project_display.tpl
@@ -21,7 +21,7 @@
                 {$arrProject.category_name ?? 'Général'}
             </p>
 
-            <div class="mb-4 shadow-sm">
+            <div class="mb-4 shadow-sm {if !($smarty.env.IMG_PROJECT_PATH|cat:$objProject->getThumbnail())|file_exists}d-none{/if}" >
                 <img src="{$smarty.env.IMG_PROJECT_PATH}{$objProject->getThumbnail()}"
                      class="img-fluid rounded w-100">
             </div>
@@ -42,10 +42,10 @@
 					<div class="row">
 						{foreach $arrImages as $image}
 						
-							{* On affiche l'image si elle est approuvée OU si l'utlilisateur possède le projet OU si l'utlilisateur est Modérateur*}
-							{if ($image.image_status == 'approuvé') || 
+							{* On affiche l'image si elle est approuvée OU si l'utlilisateur possède le projet OU si l'utlilisateur est Modérateur ET que l'image est disponible sur le serveur*}
+							{if (($image.image_status == 'approuvé') || 
 								(isset($smarty.session.user) && $smarty.session.user.user_status == 2) || 
-								(isset($smarty.session.user) && $smarty.session.user.user_id == $objProject->getUser_id())}
+								(isset($smarty.session.user) && $smarty.session.user.user_id == $objProject->getUser_id())) && (($smarty.env.IMG_PROJECT_PATH|cat:$objProject->getThumbnail())|file_exists)}
 								
 								<div class="col-md-4 mb-4">
 									<div class="card {if $image.image_status != 'approuvé'}border-warning shadow-none opacity-75{/if}">
@@ -99,7 +99,7 @@
         <div class="col-lg-4">
             <div class="card text-center shadow-sm p-4">
                 <a href="index.php?ctrl=user&action=user&id={$objProject->getUser_id()}" class="text-decoration-none text-dark">
-                    <img src="{$smarty.env.IMG_USER_PATH}{$objProject->getUser_image() ?? "images.jpg"}"
+                    <img src="{$smarty.env.IMG_USER_PATH}{if ($smarty.env.IMG_USER_PATH|cat:($objProject->getUser_image()))|file_exists}{$objProject->getUser_image()}{else}images.jpg{/if}"
                         class="rounded-circle mb-3 mx-auto"
                         style="width:100px;height:100px;object-fit:cover;">
                 </a>