I've been using some Pi_Hole blacklists too, which you could try:
http://sysctl.org/cameleon/hosts (Cameleon ads)
https://zeustracker.abuse.ch/blocklist.php?download=domainblocklist (Zeustracker Ads)
https://s3.amazonaws.com/lists.disconnect.me/simple_tracking.txt (Disconnect Me Trackers)
https://hosts-file.net/ad_servers.txt (Hosts File Ads)
https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts (Steven Blacklist)
You could also try adding the (slightly outdated?) BlueTack ad server IP list to your firewall. Just make an alias, clean up the list, and import it.
https://www.iblocklist.com/list?list=dgxtneitpuvgqqcpfulq&fileformat=p2p&archiveformat=7z
Note that it is a pretty big list, so one you import it, expect it to take a little while if you ever want to go back in and view/edit it. For me, it takes almost 5 minutes to load that alias edit page.
I hope this helps!