Debian

Images for several Debian flavours are available.

1. Debian GNU/Linux 3.1r0a alias sarge
   Size (compressed/uncompressed): 93.6 MBytes / 808.48 MBytes
   Link: http://downloads.sourceforge.net/virtualboximage/debian-3.1r0a-x86-netinstall-2.7z
   Active user account(s) (username/password): root/toor, debian/reverse
   Notes: from netinstall ISO image, Guest Additions not installed (HOWTO)
2. Debian GNU/Linux 4.0r2 alias etch
   Size (compressed/uncompressed): 155.6 MBytes / 1.86 GBytes
   Link: http://downloads.sourceforge.net/virtualboximage/debian-4.0r2-x86-netinstall.7z
   Active user account(s) (username/password): root/toor, debian/reverse
   Notes: from netinstall ISO image, Guest Additions not installed (HOWTO)
3. Debian GNU/Linux 4.0r3 alias etch
   Size (compressed/uncompressed): 433.6 MBytes / 1.7 GBytes
   Link: http://downloads.sourceforge.net/virtualboximage/Debian-4.0-x86-xfce.7z
   Active user account(s) (username/password): root/toor, debian/reverse
   Notes: XFCE desktop environment, Guest Additions not installed (HOWTO)
4. Debian GNU/Linux 5.0 alias lenny
   Size (compressed/uncompressed): 1.36 GBytes / 3.97 GBytes
   Link: http://downloads.sourceforge.net/virtualboximage/debian-5.0-x86.7z
   Active user account(s) (username/password): root/toor, debian/reverse
   Notes: GNOME desktop environment, Guest Additions installed
5. Debian GNU/Linux 6.0.6 alias squeeze
   Size (compressed/uncompressed): 1.8 GBytes / 5.16 GBytes
   Link: http://downloads.sourceforge.net/virtualboximage/debian_6.0.6.vdi.7z
   Active user account(s) (username/password): root/toor, debian/reverse
   Notes: GNOME desktop environment, Guest Additions installed