Parker Posey picked up the excellence in acting award at the Provincetown International Film Festival over the weekend. The indie actress will be in Boston on Tuesday for a screening of her new movie, “The Love Guide.” Other names at the festival included Posey’s pal and “Adam & Steve” co-star Craig Chester, director Roger Corman, who picked up the filmmaker on the edge award, and local director John Waters, who was also spotted riding his bike around P-town on Saturday morning.