Backup original files. 

1. Place these files in PS3_GAME\USRDIR\creation\model 
overwriting originals.

F_NUDE_001_ps3.spd   (Creation nude mod - mesh)
R_ALL_00d_ps3.spd    (Xianghua mod)
R_ALL_017_ps3.spd    (Cassandra mod)

2. Place this file in PS3_GAME\USRDIR\cdata\texture
overwriting original.

regcommon.nut    (Creation nude mod - texture)