edHelper.com: Christmas Theme Unit
Includes Christmas reading comprehension activities, math worksheets, and puzzles. Some require paid subscription.
www.edhelper.com/Christmas.htm
theKidzpage.com: Christmas Puzzles
Includes Flash jigsaw puzzles and Java slider puzzles with Christmas pictures.
www.thekidzpage.com/christmas/puzzles.htm
Word Search Christmas Puzzle
Printable Christmas word search puzzle.
www.billybear4kids.com/holidays/christmas/p-xmas97.htm