Custom Fonts in 2003

I know for a fact that I have seen it done. Swear on my life.

How do I take a font and use it in an RM2K3 game, as opposed to the original two?

(Those two fonts are fine by the way, don't throw a patch at me.)

I don't know, but I'd like to know. I looked at the font files and they were something called "TrueType". That might have somethin' to do with it. Anybody know?

Like, bump, because RPG Maker's default fonts really don't fit the feel of Earthbound quite right. ;______;