firefox - 32-bit mode mac issue

Note to self about error:
firefox 4 this page requires a plugin that can only run in 32-bit mode
http://support.mozilla.com/oc/questions/797108
Open finder and check "run in 32-bit mode" see screen shot

I want this for xmas:

ProMini Wireless Keyboard with Trackpad

'Granito': A Small Film Seeks Justice for People of Guatemala

'Granito': A Small Film Seeks Justice for Guatemalan Genocide

Granito trailer from Skylight Pictures on Vimeo.

Thanks also to frontlineclub in London for hosting the viewing.