I've been inspired by paying attention to the great posters on the walls in Big Bang Theory. That got me thinking it would be good to have a thread dedicated just to cool posters, photos, art, and other things you hang on the wall in your favorite room. I'll get things started with mine. This is an autographed photo of Astronaut James Irwin on the moon for the Apollo 15 mission. He visited my school when I was in third grade and he lived in the area. Show us what's hanging on your walls!