'Returns the path where the episode thumbnail should be stored.
ep_obj: a TVEpisode instance for which to create the thumbnail'

@staticmethod
def get_episode_thumb_path(ep_obj):

    if os.path.isfile(ep_obj.location):
        tbn_filename = ep_obj.location.rpartition(u'.')
        if (tbn_filename[0] == u''):
            tbn_filename = (ep_obj.location + u'-thumb.jpg')
        else:
            tbn_filename = (tbn_filename[0] + u'-thumb.jpg')
    else:
        return None
    return tbn_filename
