by Norman Rockwell
If you doubt this is probably the most famous representation of Thanksgiving ever created, ask yourself why not?
Look at all it brings to mind: family, food, laughter, grandparents, nostalgia, togetherness, cleanliness, old-fashioned values, the "good old days", home, and Uncle Wally down in the bottom corner taking a gander at the photographer. (Doesn't every family have an Uncle Wally?) :)