Can I make one suggestion/observation? It looks like a lot of the time he's getting rewarded out of position.
That's what I saw as well....been there, done that, I've learned to be careful about exactly where the dog receives the reward!
He looks like a very nice youngster!
--Regina and the GSDs:
UCDX von Sontausen Holy Grail (The BUNNY!) HGH, UD,RA,BN,GN, ASCA UD RAX High in Trial
PAM Monster Mike SchH2,UDX,OM1,TD,RE,VER
PAM FGDCh Ianna von Sontausen UDX,BH,TD,RE,PT (4.26.1998 - 2.11.2013)