Changing header typeface

OK. I now sorta know what the font family is, but I found a cool font on the internet called “Brush.” I uploaded it to my FTP server and I would like to use it on my header title. Where would I do this?

http://refrigeratorartonline.com

/* CSS Document */

* {
margin:0; padding:0;
}

body{
background:#FFFFFF url(images/top-dr.gif) repeat-x top;
}

html, body { height:100%;}

a:hover{text-decoration:none;}

a img { border:0;}

.column { float:left;}
.clear { clear:both;}

html, input, textarea
{
font-family:Tahoma;
font-size:11px;
color:#838383;
}

a {color:#838383;}

input, select { vertical-align:middle; font-weight:normal;}

.search .input {border-color:#D4D0C8; border-bottom-width:1px; border-right-width:1px; padding-top:2px; padding-bottom:2px; background:#FFFFFF;}
.search .submit { margin:0;}

#main { min-width:766px; background:url(images/top-r.jpg) no-repeat right top;}

#header { height:212px; background: url(images/top-l.gif) no-repeat left top;}

#header #logo {margin-left:35px; margin-top:52px; background:url(images/logo.jpg) no-repeat top center; padding-top:45px; position:absolute; text-align:center;}

h1 { color:#FFFFFF; font-size:3.71em; font-weight:heavy; font-family: arial, Helvetica, sans-serif, script; text-transform:uppercase;}
h1 a {color:#FFFFFF; text-decoration:none;}

#header span { font-size:1.01em; color:#B8DBFA; text-transform:uppercase; font-weight:bold; font-family:Tahoma;}

#footer{width:100%; clear:both;}

#footer { color:#646464; padding:15px 0 15px 0; text-align:center;}
#footer a { color:#6095AC;}

#wrapper{float:left;width:100%;}