Raspberry Pi

http://www.pi-supply.com/product/shortcrust-perfect-base-raspberry-pi/
http://www.amazon.co.uk/Momentary-Tactile-Button-Through-3x6x4-3mm/dp/B008DS188Y/ref=pd_rhf_cr_s_cp_2_HGJ1?ie=UTF8&refRID=112M3ZCP6NGFJC34EWAA#productDetails
http://www.queryadmin.com/435/create-image-slideshow-raspberry-pi/
fbi -d /dev/fb0 -a -T 2 -t 5 *.jpg