zatsune miku: https://www.deviantart.com/brsa/art/MMD-Zatsune-Miku-DL-296209507
birthday: https://www.deviantart.com/scarlettackerman/art/MMD-Birthday-Gift-Birthday-Pack-DL-647818002
santa hat: https://www.deviantart.com/linoka8/art/MMD-Santa-Hat-DL-555614595