‘Rising Tied’ is straight from that one tutorial I just liked it so much, and the Fort Minor Hallway is from another tutorial I just added in the logo, so I guess you can call My December as my very first.
Yes, you should turn OSA on nearly always. You don’t need to turn it to 16, 8 will do most of the times. Render a simple cube with OSA 8 and OSA 16. Then you’ll see the difference when you look a bit closer.