I saw a nice idea in a book the other day - they put royal icing on the trees and used white "jimmies" (or some people call them sprinkles). It looked really nice. Just something different....
I suppose you could use BC icing instead of royal if your trees are going to be edible and don't want the "hard" royal icing.
I did some trees out of fondant on a Christmas cake I did and just piped some vine design on the trees. I've attached a picture of the cake but the picture is really small - you can see a larger picture of it in "my pix".
Good luck. Remember to post a picture of it. Happy Thanksgiving.
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