Maybe you would like to subscribe to tutorials:

http://www.asianfanfics.com/story/view/71271/indesign-constructing-your-creativity-graphics-original-poster-random-tutorial

http://www.asianfanfics.com/story/view/100327/gimp-for-starters-graphic-graphics-poster-request-tutorial-help-gimp

http://www.asianfanfics.com/story/view/141698/the-dj-s-wonders-graphic-graphics-poster-tutorial-doojoon-resources-tutorials