You can simplify construction of your model ship by printing gratings, rather than building them from paper strips.
There are many internet sites with wood pics: wood identification libraries, sites for woodworkers, wood texture collections , from which you can download pictures of wood surfaces that you can use to make paper planks.
Enter "wood textures" into your favorite search engine
or go to one of these sites for wood images
HobbitHouse Wood ID site (wow!!!!!!)
Wood Identification Guide | The Wood Database
Identification Of Common North American Woods
and many others, too numerous to list them all.