Hi
I'm a professional digital artist that has illustrated comics from different Magazines and I can create a comic book of your script, With full knowledge of all the stages of printing and the design required to access it to the printing space (sizes, cut and brush and Mood and add the fifth color or any number of colors wanted - Montage) have sufficient experience in that
All this is done through a number of the most important graphics programs not only Photoshop as it is common.
Thanks