Making little hearts which can be filled with pot pourri, or lavender, or wadding, is super easy, and they are great gifts. And they will look lovely on your tree too. They use so little fabric, that you can zap up a few from your scraps.
Make a heart template. Remember, I suggested you draw a vertical straight line, and do half a heart. Cut out the half, fold it over along the centre line, and cut round the edge. Voila. A heart. Then, using any pen (because you are going to cut away the edge anyway), trace your hearts.
Get out your pinking shears and trim the edge. Stitch a loop of ribbon in the centre, and tie a bow.