$blog.ExternalFeedUrl - string - URL to the external feed for the blog.
$blog.PostCount - int - Number of posts to the blog.
$blog.ArticleCount - int - Number of articles in the blog.
$blog.CommentCount - int - Number of comments in the blog.
$blog.TrackbackCount - int - Number of trackbacks to the blog.
$blog.Url - string - Url to the blog homepage.
$blog.MostRecentArticleAuthor - string - Username of most recent article author.
$blog.MostRecentArticleDate - DateTime - Date of most recent article.
$blog.MostRecentArticleName - string - Name of most recent article.
$blog.MostRecentArticleSubject - string - Subject of most recent article.