Images For Category Titles…

I’m using a news theme. On the front page, it lists articles that are separated by categories. What I want to do is make it so that a I can change the TEXT of these category titles to IMAGES, to give the front page a fancier look.

I’ve figured out how to do this to a certain extent. I’ve managed to replace the titles with an image — singular. My problem is that I can’t figure out how to make it so that different categories link to different images. It’s the same image for every category.

Any idea what code I would use?

Thanks.