Globes from old light fixtures ~ use wire to hang them. Could even hang them from your awning/deck roof & put candles in them for lights. Just make sure you have them hanging far enough below anything that might catch on fire!
Beyond The Picket Fence
Wall Art from Pizza Boxes Or you can use old pieces of wood and paint them...these would be so lightweight....
Serendipity (Iteration #3) - shown here in the inactive state. Isn't it a darling!
omg I saw thiS ONCE AND HAVE BEEN LOOKING FOR IT EVERYWHERE!!!!! AND I FOUND IT!!!
Pixellica: Creativity Blooms » Excellent Examples of Steampunk Lighting