This book is what you're looking for. unfortunately it's in my office and I'm not in my office until Tuesday, but you should be able to find some images via the Google preview. If not, let me know and I'll set a reminder to scan some.

If memory serves, the ships used were of two types: small clinker-built ships with oars and a single mast with a square sail, or very small clinker-built ships or even dugouts, more like boats than ships, with paddles instead of oars.