I did schutzhund with Odin until he was 3 and then completely transitioned over to agility. The picture is so different that there was never any confusion for him with either the jumps or the A frame.
Odin ~ (aka "Dude") Bh, ADC, SGDC, NAC, WV-N, TG-N, FDCh-G (GSD)
Zuri ~ German Coolie, super pup in training
Havoc ~ (aka "Super") GSD - Rest easy buddy.
Keeper (rest in peace little stinker) (Aussie)