Oh, and try to go for LONG walks whenever possible. I found once they get slightly tired they pull a little less and that provides more opportunities to give positive reinforcement. It's harder to do that when you first start out and they're acting crazy.
Chase (Friendly Resident Wigglebum) - Border Collie/Lab/Shepherd X
Kailey (Misunderstood Gentle Beauty) - GSD & foster failure #1
Rupert (Gold-Medal Winner of the 3 a.m. Kitty Destruction Olympics
Heidi - RIP my sweet baby girl