This document provides 16 last minute DIY decoration ideas for Diwali, including hanging string lights on trees, colorful candles, decorative diyas, jar or bottle lights, wall decor using garlands, paper items, dupattas, floating candles, paper coneflowers, LED lights, rangoli designs, bangle lampshades, and handcrafted lampshades. The ideas range from using lights, candles, flowers, and paper crafts to decorative items that can be made at home to celebrate Diwali.