Here's an ornament that was easy to make and free, since I have an abundance of pinecones in our side yard. You'll need a pinecone, some white spray paint, a straight pin, glitter, and a ribbon for hanging.
First, stick your pin in the top of the pinecone...hammer it in gently and then using pliers, twist the top to form a hook...
...then, spray paint a light layer onto the pinecone, from the top.
I let it dry and realized it was missing something. Time to break out (you guessed it) my much-used glitter paint:
Get your pinecone nice and sparkly, string a ribbon through the top, and put on your tree: