I am DIY'ing my centerpieces, and had in mind to do a glass Coca Cola bottle, with two Mason jars grouped with it. These would be glued to a 2in thick slice of a tree, 1 ft in diameter, and probably throw some sort of other stuff for color on there. But then I started to worry about the wood. Do you think that will be too messy, since the bark may begin to fall off? I think there is a certain way I am supposed to treat them to prevent bugs from infesting everything too. I'm starting to reconsider the log idea, but do not know what else I could put them on. I'm trying to go with a rustic, farm/country feel, but I am really not sure what else to do. Suggestions?