The N.A.L.L. Association, 232 Boulevard de Lattre, 06140 Vence, France. Tel.: 011-33-95-581326. The Nature, Art, and Life League, formerly the Michael Karolyi Memorial Foundation, runs an international center for writers and artists overlooking the Mediterranean. 6 private cottages rented by the month, annual membership fee in N.A.L.L. is required for residency, monthly fees vary according to season and size of cottage, write for details. Residents pay separately for utilities, meals, and transportation. (literary, visual arts)