help! Why the IMAGE tree is different?

[hjyknight]

Hello, Everyone.

When I open some .msstyle files in Restorator, I find the IMAGE tree is different.

for example, in Aero.msstyle, the IMAGE tree's items is from 508 to 1108,
but in Alien.msstyle, the IMAGE tree's items is from 508 to 1265.

OS:Windows 7
version:6.1
build:7600

here are attaches.

Attachment 30581Attachment 30582Attachment 40796

Thanks for your attention.