For designing the layout: http://en.wikipedia.org/wiki/Pen http://en.wikipedia.org/wiki/Pen http://en.wikipedia.org/wiki/Graph_paper http://en.wikipedia.org/wik

For designing the layout: http://en.wikipedia.org/wiki/Pen http://en.wikipedia.org/wiki/Pen http://en.wikipedia.org/wiki/Graph_paper http://en.wikipedia.org/wiki/Graph_paper For working with images: http://flyingmeat.com/acorn/ http://flyingmeat.com/acorn/