Advertisements should be blocked. I should be able to set the router DHCP to the pi-hole's rpi's ip. Alternatively set an individual device to "connect through the pi-hole".
Actual Behaviour:
Advertisements are not blocked. I can't find where and how to set the router DHCP to the pi-hole's rpi's ip. Nor can I set the correct configurations on any of my devices.
OK, I've input the pi hole's rpi's ip in the wrong field. For those following this, you should put it in the Additional DNS servers rather than anywhere else (I was putting it in the Additional static addresses).