I am torn between the more formal:

and the very quirky cuddly family shot:

I think the only solution may be to just have some of each printed, and make sure Gramma M. gets the formal one since she specifically said she did not like the whimsical one.
FYI, in case you are wondering, I used the collage feature on shutterfly studio, which is a free download on shutterfly.com. It's capabilities are minimal, but I don't have another program on this computer and my other computer is unreliable.