Steam[]
Go to the My games tab. Right click Far Cry 2 and select Properties. Click "Set Launch Options...". Put the following in the box:
-GameProfile_SkipIntroMovies 1
If this doesn't work, open the settings file (.../Documents/My Games/Far Cry 2/GamerProfile.xml), navigate to the GameProfile options, and add:
SkipIntroMovies="1"