the leaves, let them dry for a bit. place them on the napkin at each place setting, and you are finished! if you want a different look, punch a hole in your leaf and tie it around your silverware or use it as a napkin ring. i would remove the leaf stem for this option.
leaf in a vase. an alternative to using the paint pen is to place an individual leaf in a bud vase at each place setting. then create paper place cards and tie them around the neck of each vase. you still get the colorful effect of the leaves, but in a different way.
leaf wine charms. again, 