Grafico de info - 

DENTRO DE HEAD 

<style type="text/css">
body       {background-image: url(../gfx/small_information.gif ) ; 
background-attachment: fixed;  background-repeat: no-repeat; background-position: 60% 10% ;}
</style>  


Informacion sobre background opciones y imagenes   

< BODY> Tag Attributes 
   BACKGROUND="url " Background Image 
   BGCOLOR="#??????" Background Colour 
   TEXT="#??????" Document Text Colour 
   LINK="#??????" Link Colour 
   VLINK="#??????" Visited Link Colour 
   ALINK="#??????" Active Link Colour 

Y ESTO DENTRO DE HEAD 

body {background-image: url(tile.gif); background-attachment: scroll;}
#logo {background-image: url(logo.gif); background-attachment: fixed;} 

body       { background-image: url(barefeet.gif ); background-repeat: no-repeat}
blockquote { background: #7fffd4 }
p          { background: url(../backgrounds/pawn.png) #f0f8ff fixed }
table      { background: #0c0 url(leaves.jpg) no-repeat bottom right }
                    
OR can USE #div1 {  }  

background-image: url(barefeet.gif ); 
background-repeat: repeat-x; 
background-repeat: repeat-y; 
background-repeat: repeat; 
background-repeat: no-repeat;

background-color: white; 
background-attachment: fixed; OR scroll

background-position: 50px 100px;
background-position: 10% 45%;
background-position: top center; OR bottom left right 

CSS ref
http://www.stylegala.com/features/css-reference/
CSS Positioning
http://cita.rehab.uiuc.edu/courses/2003-01-LIS350AR/lec12/index.html