What Shall Our Greeting Be?

There is always a dilemma, when creating Christmas cards, between the different forms of greeting.

 To whom should I send a jolly, upbeat, 'Have a Very Merry Christmas', to whom a mere 'Season's Greetings'(with or without an apostrophe)? Should they, rather, say Happy Christmas instead of Merry? Would the recipient prefer a plain or fancy design?

I hope that the mere arrival of a home-made card will be enough to convey the simple message - 'I'm thinking of you, wish you well, and hope that you enjoy this season however you choose to celebrate it'

And that goes for all my Blipfriends, too, even without a card.