The widget is working great! using the Ad-Cat field I can choose what categories to display.
I need to refine it more.
I have parent categories - Cat 1 and Cat 2, Child Cat - Cat A
---> Cat A
--> Cat B
1. When in main page, it will display all categories. - Done. just leave the filter empty
2. When user click on Cat 1, just display anything that belong to this categories and sub categories. How do I do this?