“I WANT HOT PINK GLITTER IN MY ASHES,” a redheaded, middle-aged woman quips, triggering nervous, scandalized laughter in a scene that evokes cinema verité as much as a home movie. Around a Thanksgiving table in Mississippi, gallows humor is a family affair, animated by tongue-in-cheek speculations about dismemberment, double indemnity, and itemized funeral budgets. At this point in Shared Resources, a feature-length work in progress by Jordan Lord, we know that Albert Lord (the filmmaker’s father, a graying man who observes this conversation with jaded reserve) is a former debt collector, or