Well, I agree that a good trainer or seminar would be really helpful. I'm not sure at what point you and your are or what equipment you have regular access to. (This would be helpful in giving you specific guidence.)
Personally most of the really good handlers I know (world team people - ie Kipp, Mecklenburg, Perdot, etc) run with their dogs, but learn where to cut corners while sending their dogs. Their dogs are so well trained they can send the dog, know the dog will go and do, and the handler can get another point to guide the dog. These handler can also cross behind or in front of the dogs on any given obstacle.
If you want to start getting some distance from your dog, you will need to make sure he knows directions and if you are looking for a "catch up" point, drill and proof the stop at the down contacts. Also it is very important to be consistant and for YOU to know what the command means. (You'd be surprised how many handlers don't have firm definitions in their own mind.) Here's a list of directions for my dogs:
Go - move forward, taking whatever obstacle is in front of you
Out - move away from me, taking whatever obstacle is there
Here - move towards me, taking whatever obstacle is there
Get out - a sharp/strong out, sometimes U-turn, moving away from me.
Wrap - mostly used for jumps, the dog "wraps" around the upright closest to me so that, if I want, the dog will wrap completely around and ends up on the same side of me.
Switch - the dog moves away from me as he jumps (or other obstacle). I practice (and teach) this using a jump. Dog, on my left, and I face the jump. I say "switch" and he should take the jump and move around the LEFT upright and moves off towards the left as I cross behind and dog and he ends up on my right. I could "wrap" him around the left upright with this command. (This is really easier to show!) You could also use it where there is a tunnel on the other side but right next to the dog walk and you do the walk first then the tunnel. Some dogs are so trained that they will change leads on the "switch" command. I'm not so sure mine are to that point .
Other commands that for one reason or another my dogs aren't trained on:
Pass - Dog does NOT take obstacle in front of him
Heel - dog on left and does NOT take obstalces
By me - dog on right and does NOT take obstacles
Right- dog moves to his right
Left- dog moves to his left
You can also teach left and right, but I'm not that co-ordinated to know my own left and right.
If you need some guidence on how to train any of this, let me know what equipment you have and I'll try to help. Practice both parallel and perpendicular distance on all obstacles as well as dog on right and dog on left.