pkg_add -r TWiki

I was just wondering if anyone has had any problems with updating the TWiki package? I had a few fatal errors, and while my content was not removed from disk, it is no longer accessable from the wiki...

Flash Plugin for Firefox

Can anyone point me in the right direction to get flash working with firefox? I notice there is a nsplugin.so in ports/graphics/flash. Would this work for firefox or would it work with netscape?