Add Expose on the frontpage

This trick applies to other components as well.

1. Login to the Administrator backend

2. Goto: Menus -> mainmenu

3. Click "New"

4. Select "Expose"

5. Now fill the "Title" field (e.g. Gallery), the rest can be left as default.

6. Click "Save"

7. Check the checkbox next to the "Menu Item" just created (Gallery) and Click "Default".