What happened?! Where's the guy who nearly made me wet my pants when I first saw 'Spark of Insanity'? Have fame and fortune gotten the better of him? The show starts off with what is probably the best part altogether. Jeff invites us into his past with pictures of himself growing up, though what's mostly funny about it is the fact that he used to be really geeky and the pictures are pretty embarrassing (mostly according to his daughters, apparently). First up, after his introduction, as usual is Walter. And this is where I first got a somewhat eerie feeling. See, as most fans of Jeff Dunham…