1. Open the 'Additional Skins' folder.

2. Select the color you want red, green, blue ect.

3. Ill take red for example. Open the 'Red' Folder

4. In that folder you find 'butterfly.iwi'

5. Copy the 'butterfly.iwi' To 'Raw/images' and 'Modwarfare/images'

6. Press again Makemod.bat or open the .iwd and in that iwd you find images folder. Place the 'butterfly.iwi' in that folder.