Put the file : config_mp.cfg in CallofDuty4-Players-Profile-[Your name]
Put the colors file .cfg in CallofDuty4-Main

Press W - A - S - D for change filmtweak of the maps

IMPORTANT:
I use Up-Down-Left-Right for move so for activate the filmtweak of the map i use w a s d
but if you use w a s d for move first open the config_mp and replace

bind A "exec colors_crossfire.cfg; ^2[^7x^2]^7crossfire^2[^7x^2]^7"
with
bind leftarrow "exec colors_crossfire.cfg; ^2[^7x^2]^7crossfire^2[^7x^2]^7"

bind D "exec colors_strike.cfg; ^2[^7x^2]^7strike^2[^7x^2]^7"
with
bind rightarrow "exec colors_strike.cfg; ^2[^7x^2]^7strike^2[^7x^2]^7"

bind S "exec colors_backlot_crash.cfg; ^2[^7x^2]^7crash^2/^7backlot^2[^7x^2]^7"
with
bind downarrow "exec colors_backlot_crash.cfg; ^2[^7x^2]^7crash^2/^7backlot^2[^7x^2]^7"

bind W "exec colors_citystreets.cfg; ^2[^7x^2]^7district^2[^7x^2]^7"
with
bind uparrow "exec colors_citystreets.cfg; ^2[^7x^2]^7district^2[^7x^2]^7"

If you have problem with config contact me in xfire: itathebest