Mike Collins, frequent DWM comic artist, stepped up to storyboard Flatline. Now I know that I can rather see it - check out The Cruel Sea and its shattered faces and empty clothes.
Update: a look at the storyboards for the Crawling Hand sequence.
And writer Jamie Mathiseon sketched his idea for a Boneless face as well, for an earlier iteration which was yet more horrible.
And as he explains the episode (referencing both Hans Holbein the Younger and Wile E. Coyote) he evinces a certain glee in their reception...