[3] In the music field, he has designed promotional art and CD covers and packaging for the heavy metal group Cradle of Filth, Hawkwind and Steven Severin.

Within the field of literature, he also worked with Colin Wilson and on a lavish Savoy Books edition of David Lindsay's A Voyage to Arcturus.

He has done much work based upon the writings of H. P. Lovecraft, adapting "The Haunter of the Dark", "The Call of Cthulhu" and "The Dunwich Horror" to the page.

His adaptation of "The Picture of Dorian Gray" done as 10 pages of collages appears as the last story in volume 2 of The Graphic Canon.

Coulthart has also designed the cover art of the album "Steps of Descent", by the death metal band Cyaegha.