Marcelo Rivera · @eiennohi · 3c748de9
--- a/Core/Media/Thumbnails.php
+++ b/Core/Media/Thumbnails.php
        $this->config = $config ?: Di::_()->get('Config');
    }

-    public function get($guid, $size)
+    /**
+     * @param $entity Entities\Entity|string
+     * @param $size
+     * @return bool|\ElggFile|mixed|string
+     */
+    public function get($entity, $size)
    {
-        $entity = Entities\Factory::build($guid);
+        if (is_string($entity)) {
+            $entity = Entities\Factory::build($entity);