More ideas from Polly
DIY Party Decorations These might be easier to make than the cupcake papers and coffee filters decor. If the ceilings are not too tall we could do this in Red, White, and Silver

Tutorial: DIY Tissue Paper Pom-Poms this tutorial is pretty good. Use square sheets or tissue for a rounder Pom Pom. We tied the middle with ribbon and tied several on ribbon and hung them for a backdrop. Use thin tissue paper and fluff gently.