User blog comment:Morrigan1993/Obscure Graphic novel/@comment-4573569-20131010203047/@comment-4573569-20131010204030

You can use JPEG images. Check out this Renpy game for an example: http://games.renpy.org/game/outlandish-move.shtml

Renpy is very easy to code for, and is free and open sourced, so no royalties are involved. Great for small projects like this.