Back in March 2008, Al Nyveldt wrote a Most Popular Post Extension and Widget for Blogengine.Net.  Dutifully, I downloaded it and tried to install the widget using the BE 1.4.5 widget framework, but it did not work.  A quick check of Al's html source code revealed that he created the widget to operate outside the new widget zone framework.   Knowing the answer and then reviewing his website, it became clear why he did this ...  he has two columns on the right side with widgets in both columns.  Currently BE 1.4.5 only supports one widget zone (or column), although the blog administrator can put multiple widgets inside the one widget zone.  More...