Chris to Leon (head only):
-Swap everything in uPl02HeadChrisAsia and Leon's head arc
-Add Leon's textures to pltex0200_1 and replace pl0203_1.2749C8A8 with Leon's pl0003_0.2749C8A8

Helena to Sherry (entire character):
-Move all textures from PlTex0100_0 to PlTex0500_0
-Copy and rename the MRL, MOD, CCL and CTC files from Helena to Sherry archives
-Copy and rename the LMT file in the archive with head model from Helena to Sherry

-Copy all efl files from HelenaUsa to SherryeEurope
-Copy and rename the file in effect/epv

Notes:
-uPl##Ac has files for the head model for cutscenes.
-I used a small model called shadow.mod to act as dummy invisible model. It might not actually be fully invisible though.

JakeAsia to JakeOmage02:
-Copy all files from *Omake02 AcHead, Head and Jake to *Asia
-Update text files to have the new files.
-Replace Ac->data\event\face\pl0400\cs_pl0401.mod with the omake02 head model. Also replace mrl.
-Replace cs_pl0400.mod from same directory with shadow.mod (also do the same with 03.mod if it exists)
-Replace model and mrl files in Head and Jake.
-Copy new texture to the uPlTex files and add it to the text file.
-Replace 0 and 3 mrl files in the uPlTex files with the ones from omake02 files