I wanted to write up a quick HOWTO because I see so many people that are so confused about the dreamplug.
Its pretty easy, just a little time consuming on setting it all up.
Assumptions: you have a JTAG module and software installed for it.
prerequesites:
1) computer with debian/ubuntu
2) 2GB+ microSD card and either a USB carrier for the microSD or a SDcard carrier.
software needed: debootstrap, gparted or equivilent. uImage and kernel modules.
#apt-get install debootstrap, gparted
Download the updated uImage and Modules from newit, thanks to James.