My favorite visual artists are:

Dave Mckean, Alan Lee, Voltaire, Jhonen Vasquez, Peter Blegvad, Brian Froud, Roger Bruhm, Salvador Dali, Philip Guston, Dave Sim, and Sam Keith.

My favorite visual pieces/collections are:

Faeries by Brian Froud and Alan Lee, Cages; Arkham Asylum; and The Day I Swapped My Dad for Two Goldfish by Dave Mckean, The Tolkien Bestiary by various artists, The Book of Leviathan by Peter Blegvad, Darkwerks by Brom, Dreams in Dry Places by Roger Bruhm, Soft Self Portrait With Fried Bacon by Salvador Dali, Web and Head by Philip Guston, and anything Cerebus by Dave Sim.