1) Note that I assume you already know how to apply effects to a model.
2) In the MMEffects tab within MikuMikuDance, open the Map Effect File
window and find the name of the model you want to edit.
3) Right-click on it and select "Subset-Extract"
4)You will see a list of materials appear under the object. Apply the
following effects to each material (the normal-mapping effects are found 
in the same folder containing the model's textures):

For CLOUD STRIFE:

Eyes -> eyes.fx
Leather; Pants; Metal B; Dull Metal B -> body_B.fx
Skin; Shirt; Metal A; Dull Metal A -> body_A.fx
Head; Lashes -> head.fx
Mouth -> mouth.fx
Eye Shine -> eye_shine.fx
Brows; Hair -> hair.fx

For BUSTER SWORD:

buster_sword.fx