Layer series by Nobuhiro Nakanishi - He photographs a scene or object repeatedly over time, then laser prints each shot and mounts them onto acrylic. Change is captured in each frame http://www.nomart.co.jp/nakanishi/information.html
Work by Kara Walker, contemporary African American artist who explores race, gender, sexuality, violence and identity in her work. She is best known for her room-size tableaux of black cut-paper silhouettes, such as The Means to an End--A Shadow Drama in Five Acts.
Michael Craig-Martin. The simple shapes and unusual/bold colours make this piece really exciting. I like the fact that the cigarettes are pink and green on the ends, this gives the piece more depth and makes it more interesting.