More advice given to me by my mentor, Karrie Fransman, for writers looking to transfer their skills to Graphic Fiction from other mediums.
The script should inspire the artists with the strength of the story and ideas, whilst not going as far as telling them HOW to draw the panels. The artists will be much more excited about the project if they can explore their creative vision too. This will result in a better finished piece.
There are lots of resources (including links to free script writing software) on comic book writer Antony Johnston’s website: