Here we go again
1. Download a Linux Live CD (get kubuntu live cd, it's more like windows)
2. Burn and boot that cd on your PC (or use a USB flash drive, whatever works for you)
3. Connect the flash drive you want to boot from to this same PC
4.Go to K --> Applications --> System --> Partition Editor
5. Format this flash drive as ext3, label it "rootfs". Make sure rootfs partition is <=20GB.
6. After it's done formatting, remove and reinsert the flash drive. Open file manager and open this flash drive at least once (so it gets mounted)
7. Open terminal and copy paste the following (not everything together, but line by line)
$this->bbcode_second_pass_code('', 'sudo su
cd /media/rootfs
wget http://archlinuxarm.org/os/ArchLinuxARM-kirkwood-latest.tar.gz
tar xvzf ArchLinuxARM-kirkwood-latest.tar.gz
sync #may take a while
cd /
umount /media/rootfs')
8. Remove flash drive. You should be able to boot from it now