I use mirrors in the garden to add interest and give the impression that I have double the plants! For large mirrors, I use old mirrored shower doors. They're water resistant and hold up
year round. For bird safety, the mirrors are placed parallel to bird flight paths in my narrow side garden. In open areas, I cover the larger mirrors with lattice. There's more details on my blog. http://www.empressofdirt.net/using-mirrors-i...
Stone leftover from another project and three galvanized trash can lids become a bird bath grouping! Another of my "use what you have" ventures. More pictures and directions on http://ourfairfieldhomeandgarden.com