3 files changed, 7 insertions, 10 deletions

diff --git a/application/Updater.php b/application/Updater.php
index c2aa1568..480bff82 100644
--- a/application/Updater.php
+++ b/application/Updater.php
@@ -502,7 +502,7 @@ class Updater
             return true;
         }
 
-        $thumbnailsEnabled = $this->conf->get('thumbnail.enable_thumbnails', true);
+        $thumbnailsEnabled = extension_loaded('gd') && $this->conf->get('thumbnail.enable_thumbnails', true);
         $this->conf->set('thumbnails.mode', $thumbnailsEnabled ? Thumbnailer::MODE_ALL : Thumbnailer::MODE_NONE);
         $this->conf->set('thumbnails.width', 125);
         $this->conf->set('thumbnails.height', 90);
diff --git a/index.php b/index.php
index 925d47a5..4b86a3e2 100644
--- a/index.php
+++ b/index.php
@@ -1635,9 +1635,9 @@ function buildLinkList($PAGE, $LINKSDB, $conf, $pluginManager, $loginManager)
         uasort($taglist, 'strcasecmp');
         $link['taglist'] = $taglist;
 
-        // Thumbnails enabled, not a note,
+        // Logged in, thumbnails enabled, not a note,
         // and (never retrieved yet or no valid cache file)
-        if ($thumbnailsEnabled && $link['url'][0] != '?'
+        if ($loginManager->isLoggedIn() && $thumbnailsEnabled && $link['url'][0] != '?'
             && (! isset($link['thumbnail']) || ($link['thumbnail'] !== false && ! is_file($link['thumbnail'])))
         ) {
             $elem = $LINKSDB[$keys[$i]];
diff --git a/tpl/default/tools.html b/tpl/default/tools.html
index 6b4d7bec..c9ce1eaf 100644
--- a/tpl/default/tools.html
+++ b/tpl/default/tools.html
@@ -125,25 +125,22 @@
   <div class="pure-u-lg-1-3 pure-u-22-24 page-form page-form-light">
     <h2 class="window-title">{'3rd party'|t}</h2>
     <div class="tools-item">
-      <a href="https://addons.mozilla.org/fr/firefox/addon/shaarli/" title="Firefox {'Plugin'|t}">
+      <a href="https://addons.mozilla.org/fr/firefox/addon/shaarli/">
         <span class="pure-button pure-u-lg-2-3 pure-u-3-4">Firefox {'plugin'|t}</span>
       </a>
     </div>
     <div class="tools-item">
-      <a href="https://chrome.google.com/webstore/detail/shiny-shaarli/hajdfkmbdmadjmmpkkbbcnllepomekin"
-         title="Chrome {'Plugin'|t}">
+      <a href="https://chrome.google.com/webstore/detail/shiny-shaarli/hajdfkmbdmadjmmpkkbbcnllepomekin">
         <span class="pure-button pure-u-lg-2-3 pure-u-3-4">Chrome {'plugin'|t}</span>
       </a>
     </div>
     <div class="tools-item">
-      <a href="https://play.google.com/store/apps/details?id=com.dimtion.shaarlier&hl=fr"
-         title="Android Shaarlier">
+      <a href="https://play.google.com/store/apps/details?id=com.dimtion.shaarlier&hl=fr">
         <span class="pure-button pure-u-lg-2-3 pure-u-3-4">Android Shaarlier</span>
       </a>
     </div>
     <div class="tools-item">
-      <a href="https://stakali.toneiv.eu/"
-         title="Android Stakali">
+      <a href="https://stakali.toneiv.eu/">
         <span class="pure-button pure-u-lg-2-3 pure-u-3-4">Android Stakali</span>
       </a>
     </div>