well fist things first you don't wanna be using the default floor for your caps it looks bad. (not your fault though the game made bad floors) Use the street pads and anyother flat rideable surface for floors.
second off you don't wanna use the orange and green copings they, like the floors look bad just try setting them to factory or learn to cover em up.
I see some good ideas but you just need to get down the visuals. Look at some of the caps here and you'll learn quick