These torn paper tree cards. You could use photocopied pages of a Christmas story or Christmas carol sheet music.
Exploding Card a/k/a Turkish Map Fold instructions
Pom pom Pink flamingo home card, or gift tag.
O Tannenbaum Christmas card (DIY?
I would use this as a homemade card for Mom for Mother's Day. Turn Birthday Candles Into Homemade Cards - I'll do more to this card too, to spruce it up, but want the Pin to remind me of the idea