Congratulations on completing your first swap. My first was was a Funhouse as well, and in hindsight there are probably a lot easier games to do a swap on!
I take this was one of the recently released Mirco repros? The issues with the holes certainly didn't occur on the AFM fields he did, wonder if it's affecting all of them, or just some?
If you find that the shot to the main ramp causes the ball to sometimes come back at you, here's a fix
http://aussiepinball.com/index.php?topic=103.0
