We could have people donate old sheets. Take the bland colors and cut long rectangles, take the bright colors and cut shapes (shields and stars and triangles, etc.) and glue/sew it all together. Add some metalic trim! Viola! Tack it to the sanctuary walls; and maybe sew some stones on the bottoms in the back or something to keep it from flowing out to crazily.
What it looks like after the glue and the ribbon. I went to the local dollar store and spent two dollars on a two boxes of mini candy canes. Then an extra dollar on snowflake cellophane I planned on wrapping