Use card stock and misc buttons to make your own Christmas cards. The card stock can be bought at Walmart, etc. or at most any craft store. The buttons come in bags at most craft, hobby, or fabric stores.
Screen with ornaments hung in the shape of a tree. Get a bunch of inexpensive ornaments after the season, look for a screen window under "materials" in craigslist and you'll have it ready to go for next year.