1) Use 7-Zip
Open Install.wim via 7zip, Place your files to here; Users\Public\Desktop\
Then create your iso with NTLite
2) Use NTLite
Mount Image, Right Click To Mounted Image, Click Explore Mounted Content. Place your files to here; Users\Public\Desktop\
Save changes and then create your iso with NTLite
3) OEM Folder
Make folder changes as explained ^
Then create your iso with NTLite Or add your oem folder to already burned USB