I have added the plugin and it looks like it is not working at all.
Looking at the code on the site view-source:http://bloglines.co.za/
i dont see it working alsow testing it here http://ismyblogworking.com/bloglines.co.za i still only see WordPress
There is no caching systems on the site..
Please have a look and let me know if there is any more test i can do for you.