I don't see a sword in the screen-right hand. It looks like you uploaded a weapon meant for the main-hand, but physically put it into the off-hand position (or vice versa).
Finally, mask1 work for me. But i don't understand why mask2 don't work =\ And i still have problem with weapon position, when i compile, weapon placed not in hands but near hands =\\
Kennynz - you model two separate weapons and import them separately. One is rigged to the right hand and one is rigged to the left hand. TJ062 - make sure your alpha layers aren't entirely black or entirely white. If they are, the specularity won't work.