I didn't see a tutorial on this so I decided to post one. Yes it isn't that difficult, but it will save newer members the time of finding the right .pac file, etc. Thanks to Red as I borrowed some of his wording from a different tut.
Remember to always backup your files before you attempt any sort of modding!
1) Open MnLayHD.pac in Xpacker9 and extract UMTX.pac.
2) Open Pach UMTX.pac and uncompress 1B59.zlib.
3) Open Texture Archive 1B59.zlip.uncompressed.
4) Extract the .DDS file you