Debian has made available unofficial CDs ISO including firmwares. For Debian Squeeze, look at :
Debian Squeeze netinstall iso including firmware
Once downloaded, do not forget to check the iso using shasum utility as follows :
fool@localhost:~$ shasum -c SHA512SUMS firmware-6.0.2.1-i386-netinst.iso
For more information about Debian CDs/DVDs :
