Some updates after 5 hours of uptime, mining difficulty 1024 shares.

I should note that I had difficulty getting changes to the pool settings to stick via the webgui, so I had to ssh in and configure the pool information with
nano /var/www/accout.txt then
shutdown -r now to reboot
User/pass is root/admin for ssh on these guys. You should have a number written on your unit and on the SD card. That is the last quad of the 192.168.1.xxx address of the system.