Manzanita branches will be suspended over the long tables. Not as thick as pictured because I know you don't want to go to over-the-top. A single, manzanita branch with hanging candles over each "set" of long tables.
I think I would prefer cylindars to champagne flutes, as to not confuse as a drink. "Table decoration - Pine/herbs in a champagne flute.with some "snow" and some glitter and maybe some gold/silver this could be a pretty winter decoration"