This lovely picture was drawn by the talented Nellas of Doriath. Her work can be found at http://www.hithanaur.net/nellas/
This picture of Erestor from the "Sweetness and Gall" story arc was drawn by the generous Eliseleb, and is amazingly close to the image of Erestor Maggie has in her head.
This scene from "Sweetness and Gall," involving Erestor, was drawn by the lovely Eliseleb.