Michael at the In Time... blog is hosting a Harry Potter blogfest on December 11. To join, write a 500 word scene with any of the HP characters from any of the seven books. It could be anything you want. Funny, magical, serious, etc. And for an added twist, it should be set during Christmas or Thanksgiving
Sign up here: Harry Potter Blogfest
And for more wintertime fun, Night Owl Reviews is hosting a Winter Wonderland Web Hunt until January 15. Search author websites for clues and win tons of prizes, including signed books and gift certificates.