I made some for DD's table, basically did them as you are planning.
Here are a couple I like:
http://gudrun.typepad.com/my_weblog/...way-day-2.html (scroll down, you'll see a picture. These are in a book she was advertising, but they could easily be made w/out it)
Or these, a free download pattern
http://www.freepatterns.com/detail.h...172&cat_id=451