I have a SMC fan. I don't need the light fixture, but I don't have a cap to put over the end of the fixture. Where can I get one?

SMC still makes ceiling fans, I'm not sure what the best way is to contact them, but here is their website:

:: Shell Electric MFG. (Holding) Co. Ltd. :: (http://www.smc.com.hk/manufacturing/man_consumer_ceiling.html)