you have to get into the nuts and bolts of the program by editing the text files. They are located at The Game Creators/FPS Creator/Files/languagebank/english/gamebank/mygame/titlepage.fpi
Now this is if you want to play a video before the menu starts.
If you want it to play after the level loads you need to use the storyzone as I have described in the previous post. Check in the official guide1 and 2 for a lot of great ideas.
Model pack 66-99 high quality items...cheap!!
"Who loves ya baby!"