When I think of Christmas movies I think of Elf, it seems that many of the high street stores do too as I regularly spot clothing featuring the over-sized ball of fun played so memorably by Will Ferrell. The movie is a favourite of mine because it feels as if the big kid who lives in all of us is allowed to be excited about Christmas. I am crazy about the festive season anyway, and I have definitely not grown up yet in spite of a big birthday lurking on the horizon next year. The joy, buzz and elation of…