Take this simple, clever idea that Mrs. Howard ran across in another Montessori classroom: a static arrangement of inexpensive photo mats (easily found at Walmart, Michaels, etc). Simply rotate your child's art behind the mat to display her work proudly and in a way that's both "intentional and beautiful."

Other ideas & Links:
Revolving Exhibits (click for full article)

Ohdeedoh: Art from Curtain Rods

Magnetic Wall from Raising Olives:
So what to do with all that art when it's time to come down? How about a portfolio of carefully-chosen projects to keep?
From Draw Your World

From A bit of This and A Bit of That blog: