Wow, that is pretty awesome, im just trying to learn to draw with my tablet and im mostly having troubles with the lining. I usually just scribble stuff on a corner of a piece of paper when I draw something. Or do random doodles in photoshop but its far from as spectacular as what you did. thats some serious talent, dont waste it :o
That's not something I can answer, as everyone's definition of hacking is different. What I can tell you, though, is that there will be no difference in any of the pokemon's data between one you use the AR code for and one that you actually get from the event.