diff --git a/src/Entity/Author.php b/src/Entity/Author.php
index b28d0bd..603d0bf 100644
--- a/src/Entity/Author.php
+++ b/src/Entity/Author.php
@@ -79,10 +79,33 @@ protected function isValid(array $array) : bool
 
     /**
      * @return string
-     *
+     * @deprecated use getThumbnail
      */
     public function getProfileImage() {
-        return $this->safeGet('profileImage', '');
+        return $this->getThumbnail(380);
+    }
+
+    /**
+     * Returns closes thumbnail size to input, default 210px.
+     *
+     * @param int  $size appromimate size
+     *
+     * @return string url for thumbnail
+     */
+    public function getThumbnail(int $size = 210)
+    {
+        $thumbs = [];
+        foreach ($this->safeGet('thumbnail', []) as $thumb) {
+            $thumbs[$thumb['width']] = $thumb['_link'];
+        }
+
+        $sizes = array_keys($thumbs);
+        while (true) {
+            $thumbSize = array_shift($sizes);
+            if ((int) $size <= (int) $thumbSize || count($sizes) === 0) {
+                return $thumbs[$thumbSize];
+            }
+        }
     }
 
     /**
diff --git a/src/Entity/Book.php b/src/Entity/Book.php
index 69ecba4..3de7ff4 100644
--- a/src/Entity/Book.php
+++ b/src/Entity/Book.php
@@ -294,7 +294,7 @@ public function getIsbn()
     public function getThumbnail(int $size = 210)
     {
         $thumbs = [];
-        foreach ($this->safeGet('thumbnail') as $thumb) {
+        foreach ($this->safeGet('thumbnail', []) as $thumb) {
             $thumbs[$thumb['width']] = $thumb['_link'];
         }
 
diff --git a/src/Entity/Journey.php b/src/Entity/Journey.php
index 0d5400e..3d75f63 100644
--- a/src/Entity/Journey.php
+++ b/src/Entity/Journey.php
@@ -110,7 +110,7 @@ public function getPublished() : string
     public function getThumbnail(int $size = 210)
     {
         $thumbs = [];
-        foreach ($this->safeGet('thumbnail') as $thumb) {
+        foreach ($this->safeGet('thumbnail', []) as $thumb) {
             $thumbs[$thumb['width']] = $thumb['_link'];
         }