OK so the first thing you need to do is these simple steps

1. Download Horizon ---> [ Register or Signin to view external links. ] and Download Xero that's the Black ops GPD modding ---> [ Register or Signin to view external links. ]

2. Move your profile From your Xbox 2 your USB

3. Open Horizon and click on Tools and then click on Device Explorer

4. Move your Profile from the Device to horizon just drag it

5. Once your Profile is open in Horizon click on contents and find the GPD number with is 41560855.gpd and then you extract it to your desktop

6. Open Xero and from there on the left corner it says open you click on it and look for your GPD on the desktop

7. For teh flashing letters you have to put this ^F that's to make it flash and for the colors i will put them in the bottom

8. Once you have finished with your Classes click on the top left save

9. Then go to horizon and look For the same GPD name and right click it and click on replace and from there click on where it says Saved,Rehashed and resign

10. your done Laughing now put the profile back in your Xbox and enjoy your classes

NOTE: in Xero all of your 10 Classes will show but only the ones that you have unlocked are usfull

Another Note: Once u prestige or ur guest sings in u will lose the mod idk why when ur guets sings in u lose them but it happens and till now i have not seen anyone banned a kid told me he's had them for 4 month now so don't post comments saying if u could get banned theirs is always a possibility and if any problem pleas PM

Thank the topic and comment if you would like

COLOR CODE FOR THE CUSTOM CLASSES
^F (Flashing)
^0: Black
^0 = Black
^1 = Red/Orange
^2 = Lime Green
^3 = Yellow
^4 = Navy Blue
^5 = Light Blue
^6 = Purple
^7 = White/Default
^8 = Black