This is another one of my medieval ships. I honestly only took about an hour to build. I got the dragon skull idea from Jamziboyminecraft's Nordic Ships. You can check out his channel here
http://www.youtube.com/user/JamziboyMinecraft

P.S I'm using the Conquest texture pack made by monster fisher. You can check that out here
http://www.minecraftforum.net/topic/1452033-1513w18c-32x32-conquest-v1-a-texturepack-based-on-johnsmith-work-in-process-with-placeholders-90-done-phew/