I did some searching for you, ShaniFaye, and here's what I have for you:
Here's a neat dragon dagger for you (it's not japanese, but I still think it looks cool):
http://www.nasurveillance.com/30053.htm
I also found some Japanese ones I think look really neat, they're about 4/5 of the way down "Serpent Dragon Katana":
http://www.swordsdirect.com/cheap_samurai_sword.html