How do I use this code to make a background image instead of a background color?

[skahoj]

Yes, it should work. Change the line that says:

<div style="background-color: Black;">

to:

<div style="background: url(adress of image goes here) no-repeat;">

You can change the font size- a larger number will make it bigger, a lower number will make it higher. Impact is the typeface, so you can change that but only use system fonts (the ones that came pre-loaded on your computer) or else other people might not be able to see it. I wouldn't change anything else if I were you.