Not bad, you seem to know what you're doing. Neither of you really seemed to exploit each other's weaknesses though, Zelda didn;t really make good use of Din's fire untill the end. From what I saw you're good, I'd have to play you myself to give you better feedback though, lol I'm no good at judgeing without being able to compare it to something.
very nice though, keep it up. buff up your wall of pain though and don't get predictible with the B+Down, save that for surprise finishes.
Edit: you fight fire with fire a little to mcuh, constantly counterattacking. DK has wya more priority than Kirby. Lower the agressiveness and raise the um...tacticleness lol.
when your opponent is trying to recover and you're down there with him, you probably should shy away from recovering with final cutter unless you NEED to, as you saw, you accidently KOed from him edgehoging.
As said before though, you're really good, feel free to pm me sometime if you wanna ditto or just Brawl.