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.
Lol-- cute idea but not happening at my house unless I get my dream Christmas decor storage closet. this is how we're taking down our fake Christmas tree this year (Ahh wish I would have seen this sooner!) lol I WILL DO THIS NEXT YEAR!