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.
DIY Flameless Fire Pit | Indoor Decorating String Light Craft Ideas by Diy Ready http://diyready.com/diy-room-decor-with-string-lights-you-can-use-year-round/
Another great DIY on the cheap: Dollar Store Fall Decorations. Another one that can be changed to red/green for Christmas!!! Love!