Well, writing a book and a blog at the same time just don't work! It has been a while since I have posted, but had to drop this one in. I encountered a freely downloadable tool from http://www.spiralgraphics.biz/ called Wood Workshop. It allowed me to quickly create this nice tileable wood texture which I quickly uploaded. They also have another product for producing tileable textures that looks pretty cool.
You can see the texture applied to my dock at