Butterfly swap: Therefore, if anyone is in Christ, he is a new creation; old things have passed away; behold, all things have become new. (II Corinthians NKJV) DIY Folded Paper Butterfly with tissue paper and pipe cleaners.
Paper airplane garland made from old book pages, like the store in Portland a couple years ago. They had a complete wall covered in airplanes made from paper airplanes folded out of old book pages (great classroom decorating idea)
DIY - Beaded curtains - Strands of colored beads can be used to soften a stark window, rather than to provide warmth or protect privacy. Adding beads to your window automatically creates a bohemian feel and vibe to your room.
Baby shower activity: make a mobile! Go second-handing and look for unique trinkets or as guests to bring one (something special). Add bells/chimes, beads/old costume jewelry and make a mobile from the eclectic pieces of your friends and family.