I for one am glad we're talking about this, I am completely new at showing and I somehow am expecting myself to be able to teach a 1 1/2 yr colt how to set up and show some neck, when I haven't even shown in the first place! I don't want to royally screw him up by teaching him the wrong things so I am glad we're talking about this, how to set up the horse and rocking them back a little to set the back legs, then leaning them forward ever so slightly...I am able to do it with my gelding, but he must have had a lot of time put into him because he is just an angel, pretty much sets himself up and definately shows a great neck without me barely asking! Same with my appy filly, she's real easy to set up and show some neck, but this colt hasn't been trained yet and I want to make sure I know what I am doing before training him wrong!
I would love to hear more tips, anything to help train a good "set" and a great neck!