Fixes creating of episode media images.

Author: wtfzdotnet

lib/Tmdb/Factory/ImageFactory.php

@@ -81,6 +81,11 @@ public function createMediaImage(array $data = [])
                     $factory = new TvFactory($this->getHttpClient());
                     break;
 
+                // I don't think this ever occurs, but just in case..
+                case "episode":
+                    $factory = new TvEpisodeFactory($this->getHttpClient());
+                    break;
+
                 // I don't think this ever occurs, but just in case..
                 case "person":
                     $factory = new PeopleFactory($this->getHttpClient());