http://www.megaupload.com/?d=Z6PWLPYQ
Theres the gct, it's for the NTSC USA version of Manhunt 2
Like I said before, Original code credit to sm98 from the usbgecko boards.
Make a folder on the root of your SD card Called CODES and put this file in it
You need the homebrew channel installed along with the new GeckoOS for the original pressed copy of the game, or WiiGator's loader 0.3 for a backup
Make sure in the config options Ocarina is turned "ON" (I think it is by default but won't hurt to check) Then launch the game using the launch prompt.
You'll see "SD Codes Found....Applying" at the bottom of the screen before it loads.
Turns off all darkening and blur filters completely. Much easier to get level 3 kills as you can see what the fuck you're doing for once, and the best part, you don't need to modify the game data at all.
If someone wants to give me the PAL gamecode (Usa is RHTE54) I can try and make a PAL gct too. I'll just add it to this post.
Enjoy!