That is so hard to choose because they are all so different and I wouldn't want to bum anyone out by not mentioning them. But even after saying that,

I feel I can safely say it's a toss up between a Mr.Pogie bottle and a chumbucket chumster. Everyone knows those 2 are artists and fanatical about their plug building.
I'll see if I can get a shot of this bottle plug but for now I think I have the chumster
lousy pic but I ain't no photographer