Technical Slickest filler for smoothing welds on frame?

Revisit Blakes post about the smooth welds and pay particular attention to his Avataur..........
I like a well done weld as too, but Ya gotta expand your horizons

 

I always thought the real definition of being Kool was doing something because its what you like rather than what someone else will like.
I also think what you did is Kool even if you could car less what I would think............