Hey Guys, need some help

Hello everyone,

I am not in the graphic design industry, I just looking for some advice. Hope that is ok.
I made three poster on a free poster design website for personal use. It is basically just personal art I want to hang on the wall in my house.

I just have a couple of question if anyone is interested in helping me.

Kind regards

These are very nice, a polarbear eating a marshmallow in a show storm located in Antarctica?
I would use 2 nice 6 penny finishing nail to hangs these pictures.
you do not need anything stronger than that.

Post your questions. If someone wants to answer, they will.