First go to your FPSC directory and find Files/entitybank/generic/overlays
inside will be a number of .fpi files. Just copy the first one you see and paste it to where ever you plan on having the overlays.
Next open the .fpi file and change: texture0= [path to your picture goes here].[whatever file extension your picture is]
and desc= [leave it blank or put the name of your overlay here e.g. blood1]
Save your changes to the .fpi file and you're done! As long as you have all the files in the right place that is.
Notes:
I recommend either .dds or .png(<--what I use for my overlays) because they both support transparency.
Make sure that the black background is total black (RGB colors 0,0,0) otherwise you will be able to see the black in-game.
If your using Photoshop you can just set the background to transparent and save as a .png and that will work just perfectly.
Well sorry for the long read, let me know if you need anymore help. Hope this helped!
dark peanut
Look for me on CoD4 online for PC. My username's Arbiquator (strange I know but it's the first thing that came to mind)