The NHC has changed their 'Graphical 2 Day Tropical Weather Outlook' link from a 'gif' to a 'png' along with a new path.
The attached 'wx_nhc.zip' updates the link. The only file that has changed is 'inc-ncha-outlook.php'.
I've removed the 'zip' from the above post.
Edit 2014 July 3: The NHC has also changed the Eastern Pacific Graphical Tropical Weather Outlook link. The corrected link is in the zip in
this post below, and this zip has been removed.
Edit 2014 Aug 14: A modified script that includes the Central Pacific Hurricane Center in the now 'Pacific' portion of the scripts has been
posted below.