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Well, I won't tell you that either. Take a look at them (open them with Notepad), see what they reference. Some of these files should reference other parts, and some reference images in dds format. In the first case, you don't need to change anything; in the second, see what dds formats are used (e.g., DXT or TF_8888), what image sizes are used, and act accordingly.
Or, if you really can't figure it out, send me a link to the mod, and I'll take a look.