Myplayer Cyberface arm texture tattoo help.

OK so after failing on my last post i painstakingly scanned the files on 2k13 and finally found the arm textures that are being used in creating the cyberface on myplayer. thus meaning im still able to edit the face, facial hairs etc ... compared to completely replacing the CF ID with another player you prefer which prevents you from editing pretty much everything except the accessories. Anyways the only problem is when in game in particularly while in close range the tattoos looks pixilated and looks awful but while on viewing the whole body it looks "OK". Then i used the 3DM tool to check its says the file is in 256x256 compared to a default players CF ID(pngxxxx.iff) lets say Eduardo Najera. the file im replacing says its on 512x512. And looks good when placing a tattoo on a default 2k player. i figured maybe the file 256 is being stretched to 512 or something thats why it looks so pixilated. i really dont know. im sure the images i used for the tattoo are in good quality i even needed to scale them down.

i tried saving it as a 512x512 but when i import it using 3DM tool it switches it back to the default size which is 256x256. Tried also with 2kXmodtool but it just mess up everything i can only import a bmp file. So now im asking for the community's help on this one. Thanks in advance!