public List <TMDbTvShow> GetTopRatedTvShows(string defaultPosterPath = "", PosterSize size = PosterSize.w500) { var shows = client.GetTopRatedTvShows(); foreach (var show in shows) { show.PosterPath = show.PosterPath.HasValue() ? BasePosterPath + size + show.PosterPath : defaultPosterPath; } return(shows); }