This is the napkin fold Id like to do for the wedding. I tried it out and its pretty easy. Ill put the menu card inside, and we can put a sprig of berries (maybe fake) on top.
wine cork place cards, another way. I think I like the corks as a base better than on the side but this would be easier.
Impress your guests with folded napkins ideas dinnerparty gourmet - House Decorators Collection