Look into the setuplevel.fpi file located in the language/english/gamebank/mygame folder (I think)
In there you'll find many little things talking about loading in your default crappy looking (no offense TGC) HUD that everyone has abused more than the AI model.
You can try to figure it out yourself, or you can go download Nickydude's Tips and Tricks guide located around here in many places, and find my tutorial inside learning newbies on how to edit their HUD.
Also, by downloading said guide, you will open yourself up to a world of FPSC information that quite possibly can save you from asking more questions on these boards that haven't been asked a million times before.
So... you can read that thoroughly, or you can use the search tool at the bottom of the page. Your choice.
The one and only,
~PlystirE~