Allen, I'll try and put into words my thought process on putting together a bow. I have always liked brown tones in a bow and knew I wanted the copperhead skins. I also don't like light colors due to these are hunting weapons for me and I know a critter sees something light while moving before they will detect something dark in movement. Hence the reason the deer has a whitetail. Anyway back on track. I think the key to what (I think) is a good looking bow is not to get woods that are too contrasting. Subtle contrasts are good.
After all that it's really up to the talent of the bowyer to make it happen the way it is in your mind due to variations in the same species of woods. That is the most important reason I think of why you should pick out your own woods. If you don't convey what you are after they really can't make your dreams come true. Bill should get all the kudos here as he took my mental picture and brought it to life. I will have to say Big Jim is in my opinion one of the best at making bows the way I like to see them put together. He is a true genius when it comes to designing bows and matching up woods.