One last note on the Flash-on-OS X-dance: If you keep Flash prisoner within Chrome (as you should) and normally use Safari, you might be interested in Eject to Flash.
It opens Safari’s current URL in Chrome and even gives you the option of closing that tab in Safari automatically, all with one shortcut. So, if everything else fails there’s a more comfortable way to get to Flash-land than copy-pasting the URL and opening Chrome by hand.
Quick Overview of the other posts on how to make avoiding Flash a breeze: