In a tutorial I read I should change the English.txt and maybe English_patch.txt in this directory:
EA Games/Battlefield 2/mods/*my mod*/localization/english
I changed all USMC's in those .txt's to the faction name I want it to appear, but it still shows up as USMC on the spawn screen:

,
...or is it not even possible to change faction name? Do I have to create one from scratch?

And also I have came up with another question. Can someone tell me the method to changing the background movie? Is there a special format that it needs to be in, or a specific length of the clip?