I really like the set "December Wonder" in the Autumn/Winter supplement, although it's perfect for using on your Project Life layouts it's just as great on your cards, tags and home décor projects.
My colour combo is
I love lots of images from this set, the lovely Label Frame, the Snowflake and the word "Winter Wonderland" greeting! Here I used the Christmas Cheer word to fit inside the decorative frame.
I have also used the Confetti Stars punch which is so useful, don't think of it as just for Christmas, will be so useful on your boy and man cards.
Here you can see a closer view of one of the Snowflakes, they are so pretty.