Just set up your own DNS server and blackhole all of those ad sites to 127.0.0.1. I never get any popups anymore unless I come across a new ad site. In fact, many of the shitty advertisements in lots of banner ads are gone too.
'I'm not going to walk in through the front door - or the side door - and let you do the talking, just like that. You think I got this old not knowing how to stay alive?' - Harlon Nayl