Uploaded to google drive here:
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They're HUGE. The unpacked images are larger that the game file.
Many of the already 'light' images showed even better detail when lightened, so I did em all! The only images I didn't touch were the .png's with transparent backgrounds. They looked fine as-is. Follow the install instructions. Those original, untouched images need to stay!
How to use the new images:
You need to unpack the images from your game BEFORE installing these PNG's. UNREN will do this for you - find it on F95Zone. Copying the new images into the game folder won't do anything if you don't unpack those rpa files first.
Download and unzip the 2 files I included. Each zip contains a folder named 'images'. The image folder was split to reduce the upload sizes to <2Gb each. Install each of them into the UNPACKED GAMES folder, overwriting the original image files. ALWAYS make a backup of the originals when overwriting files! Just because I prefer the brighter images, doesn't mean that you will. You can look through the files before installing also - install only the ones you want.
Once the originals are overwritten, they're gone. Save yourself the hassle and just make backups! By the way, if you aren't asked to confirm the overwrite, they aren't in the right place.
Now you can either play the UNREN copy of the game, or repack the images into the original .rpa format. Your choice.
BTW - I know it's possible to repack the images into the .rpa format, but I don't know how to do it! If someone can point me in the right direction, I can repack them at my end before posting and make everyone's life easier!