I love popcorn....I could do this with those candle sticks that have a liner between the candle & the outside...or use that round centerpiece bowl....upside down with the inner circle filled with acorns etc.
thankful tree with chalk...*Collect them all and put in basket. Have guests randomly pick one and read out loud as if it's their thankful. "I am thankful for...and read the one they picked. Maybe have people reveal who wrote it."