Hellooooo :-)
I made a mod for Android 2.1 Eclair and Cyanogenmod 8.3. The original idea is from Saurik(who is the father of Cydia) and Empas from samdroid.net.
You can run Debian on 2.1 Eclair and ubuntu with no GUI, and you can run Ubuntu with LXDE on Cyanogenmod.
Check this out for Android 2.1 stuff, and for Cyanogenmod go here.
PS: If you don't execute "exit" (without quotes) to shutdown Ubuntu (on CM), you will experience problems. Ubuntu won't boot up next time.
The solution is, edit the bootubuntu.sh, search for "export loopdev=/dev/block/loop3" line and replace loop3 with loop4.
