Easy-to-joke puns.

Give your son and heir more sunshine and air.

We have plenty of sunshine and fresh air here, which is of great benefit to your son, the heir to your career and property.

I'm quite satisfied. Moore cigarettes, I am more satisfied.

Ask for more. One more, or Moore.

In this advertisement, the cigarette brand More means "more, more", which makes people remember the brand of cigarettes at once while remembering the advertisement, which can be described as a model of pun application in advertisements.