You can add a background to any of your HTML pages using a very small gif that then is tiled to fill the entire area of your page. The <body background = "yourfile.gif"> can be used to place any gif onto your background.
<html>
<head>
<title>Pitt Community College</title>
</head>
<body background = "homebak.gif">
<center>
<h1>Welcome to Pitt Community College</h1>
</center>
</body>
</html>