I forgot to add that i need the resolution that you run at too, so I can get the right size..
 
Also, let me clarify- a wallpaper isn't just an enlarged picture 
 
 
Here are exmples of some of my work:  
http://img97.imageshack.us/img97/8389/paper1xq4.jpg  http://img175.imageshack.us/img175/9609/paper2ef4.jpg  http://img97.imageshack.us/img97/6671/paper3aw7.jpg  http://img97.imageshack.us/img97/2776/paper4it4.jpg  http://img97.imageshack.us/img97/3350/paper5pt9.jpg 
(Please be patient while they load!) 
In short, I can do almost anything.