If anyone is interested in load-balancing their machine or adding any other cgminer parameters, here's how to do it:

ssh into your S2 with putty or similar software (root,admin)

Type the following, exactly as written; a new line means press enter/return:
Move down to line 51 in the code, starting with and add your parameters in that string, something like:
and press "esc", then type:

Now go to the "Miner Configuration" tab in the GUI and click "Save & Apply" to restart cgminer with the new settings and it should work.

Unfortunately, a reboot will set this all back to the default, so if anyone knows how to actually save any of the settings changed, please let me know.