By default you get 20 templates. And only a few of those are filled by default. But if you use up all 20 ( this may well happen), just add more. On the “widget settings” page you can set the number of templates.

Site administration ->Plugins -> Filters ->Poodll -> Widget settings

After you have altered this, be sure to visit your site’s notifications page (Site administration ->notifications), which will detect the new settings and let you 'install' them.  Its basically not possible to edit the new settings on the page that Moodle displays during installation, because there are so many. Just scroll to the bottom and save all the empty settings fields. Later you can edit them from the Poodll filter template settings menu. Some of us Poodll’ers have close to 100 templates going ….