Mine

### Security Updates ##
deb http://security.debian.org/ squeeze/updates main contrib
deb-src http://security.debian.org/ squeeze/updates main contrib
 
### Testing ###########
deb ftp://ftp.debian.org/debian testing main contrib non-free
 
### Unstable ##########
deb ftp://ftp.debian.org/debian unstable main contrib non-free
 
### Opera #############
deb http://deb.opera.com/opera/ stable non-free
 
### Debian-Multimedia #
deb http://www.debian-multimedia.org testing main non-free