Hillman Monkey Hook and Gorilla Hook 50lb Variety Pack (30 piece) in the Picture Hangers department at Lowes.com
Hanging Pictures on Drywall - How To Hang Anything on a Wall
HIGH & MIGHTY 515302 Picture Hanger Set, Easy Tool-Free Dry Wall Art Hangers for Artwork, Photos, and Mirrors, Holds up to 40lbs, 2 Pack, Steel, Silver : Amazon.com.au: Everything Else