Elf house on a tree! That would be cute in the garden, especially in the tree over grown with ivy. How about some battery tea lights in the windows during outdoor parties. I hear the fairies/elves whispering "home school project" in my ear.
Having a perfect wedding arch is as important as choosing the right wedding dress, because it is in front of this arch that many magic and touching moments occur. An amazing flower wedding arch will make this moment even more memorable.