I appreciate all the input.
Truthfully, when i started this topic i had already responded to the problem i was having, but i was interested in seeing what other people's reactions would be...
I waited until my neighbor was working in her front yard and then i spoke (very loudly) to her... "I'm tired stepping in this dog $h!+"
Then i scooped up the piles and "slung" them over on her yard. She never said anything and then she walked around to her back yard.
I think what i said might have "sunk" in because i haven't seen anymore piles since then. I probably scared her... lol
Pet owners have responsibilities to their pets (proper care, maintenance, and protection), and to society. By allowing your dog (or pet) to roam free, you are running the risk of harming your pet... Not only could it be run over by a car, but it could also be exposed to other dogs which may have parasites or diseases. As gardeners, we know what a dog or cat can do to a garden as well!!!
Pet owners that allow their dog to "crap" on their neighbor's yard and walk through their garden is a sure sign of DISRESPECT toward their neighbor. Nothing personal, but that's how i feel.