Recycle old catalogues, newspaper, wrapping paper, sheet music and string them up in groups or tie them onto presents instead of a bow.
Gift wrapping with recycled paper - no need for sellotape, it's all held in place with ribbon
Get cool free newspapers from Chinese supermarkets
For other stars try this tutorial for a star from a pentagon from Five Go Blogging.
And for tiny star garlands - I love these, they are really easy to make - try this tutorial from Folding Trees (just run a string through the stars).
This is my second link up to the Advent Blog Hop at Snafflesmummy