Separate names with a comma.
I punched in the serial on both my computers, that worked. Should work for you too. PS. Should note that I am on the same IP adress for both...
Edit: Nevermind, found the camera reset for the 360 pad.
Limiting it to one thread per user would also work I think, given you can change the title and your first post. eg. Candlekeepers mod's and models...