Will your dog run to you if all you do is smile?  Maybe more a big grin.  :)

Oban will.  He can be a distance down the trail, stop to look back and check I'm still coming and if I stop and give him a big grin he'll charge to me.  Sometimes he'll do that little colt-like buck in the air first.  Of course I make it worth his while with a play and a hug.

Are there any other non-traditional things you can do to entice your pup to you when you are out and pup is off lead?

My oldest collie will come to me if I just raise my eyebrows, and she'll run left or right if I flick my eyes that way, she's always watching my face and trying to work out what I want :-) With the others I'm afraid it's the traditional whistle or call and sweeties that work.

mine all know the finger curl to mean come here, and the "shush" to mean no noise

LOL, Oban will DOWN if  I look downwards.  But I think it's a combination of default action offered to what must look a bit like a scowl from me.  I don't think he is actually associating my eyes with directing him.

Not much response here?  I think learning the body language and facial expressions that encourage the reaction we want in our pooch is valuable for bonding, understanding each other and it's a big help in Rally-O.  Not to mention it's awfully satisfying to have your dog run to you when as far as any observers can tell, you haven't done anything. :)

There is a drawback.  When we are practising recall from a stay for obedience I have to make sure I don't smile at him.  If I do, he might come to me when I don't want him to.

My friend Jims dog recalls to all kind of silly behaviour-he started it to amuse his grandson.A shaken leg,a "penguin"walk,among others.Not the kind of thing you d want to do in a training class!

Why not?  In training aren't you trying to convince the dog of how much fun it is to be with you and do things with you?   I'd do that in training.  My goal would be to eventually delay the silly stuff till after the exercise and later till after we are out of trial ring.  But for beginning training I think it sounds excellent.  In fact, I want to see a video of his penguin walk.  LOL

All of my girls are trained via movement first, with voice command attached to the action at a later date.  I express my commands using my face, hands, body and legs: different shapes and movements for different requests....

"Stop" is probably the only verbal command i use regulary as the girls have been trained to stop, turn and face when they hear this.

Some fellow dog walkers think I am conducting a crazy orchestra when I am out with my gang, but I enjoy the peace and quiet of our walks as it is very often the only time I can experience "quiet".......

I have also found using non-verbal communication has given me a a simple yet effective way to control a "pack."

I must admit that I do get some very strange looks sometimes, but it works for me xxxxxx

believe me,you dont,jj!The first thing he tried was a sharp "ssss"sound,the penguin walk etc followed later!His dogs have a lot of fun!