I agree with macksnack, I think your form is very good. I, too, studied this form along with arlu maifu, lienbu quan, gongli quan, shizi tang, and xiao hu yan (all standard Northern Shaolin long fists). I learned from my father who learned growing up in taiwan...
I don't know shaolin much at all, but your footwork is incredibly slick. On a side note, I think first road to ambush is a little too literal of a translation :) Sounds more like..."Ambush: version 1" to me.