On Tuesday morning it appeared that a compromise allowing both the Montauk Artists Association and the Montauk Veterans Association to proceed with their Memorial Day weekend plans, both of which involve using the Montauk green, would be struck by the time a town board work session concluded. But whether the veterans would sign on to an idea developed by Councilman Dominick Stanzione in concert with Ken Walles, a member of the group, remained up in the air.