Pop Up Design in Photoshop
http://www.digitalartsonline.co.uk/tutorials/photoshop/design-pop-up-illustration/
16-Bit Art in Photoshop
http://www.digitalartsonline.co.uk/tutorials/photoshop/turn-photo-into-16-bit-arcade-game-character/
Typography Goes Digital
http://www.digitalartsonline.co.uk/tutorials/photoshop/create-a-skull-out-of-type/#1