It's only recoloring (but I like it): OMAC #6

Title: OMAC: One Man Army Corps #6	Title: Jack Kirby's OMAC: One Man Army Corps
Publisher: DC Comics	Publisher: DC Comics
Cover date: 1975	Cover date: 2013
Artist: Jack Kirby	Artist: Jack Kirby

Ryan Sook covers because of reasons

Title: Green Arrow and Black Canary: Wedding Special	Title: Countdown Special: The Flash #1
Publisher: DC Comics	Publisher: DC Comics
Cover date: Nov, 2007	Cover date: Dec, 2007
Artist: Ryan Sook	Artist: Ryan Sook

Title: The Death of the New Gods #1	Title: Batman and the Outsiders v2 #1
Publisher: DC Comics	Publisher: DC Comics
Cover date: Dec, 2007	Cover date: Dec, 2007
Artist: Ryan Sook	Artist: Ryan Sook

Title: Countdown Special: Jimmy Olsen #1	Title: Countdown Special: Kamandi #1
Publisher: DC Comics	Publisher: DC Comics
Cover date: Jan, 2008	Cover date: Jan, 2008
Artist: Ryan Sook	Artist: Ryan Sook

Title: Countdown Special: The Atom #1	Title: Countdown Special: The Atom #2
Publisher: DC Comics	Publisher: DC Comics
Cover date: Feb, 2008	Cover date: Feb, 2008
Artist: Ryan Sook	Artist: Ryan Sook

Title: Countdown Special: New Gods #1	Title: Countdown Special: O.M.A.C. #1
Publisher: DC Comics	Publisher: DC Comics
Cover date: Mar, 2008	Cover date: Apr, 2008
Artist: Ryan Sook	Artist: Ryan Sook

Title: Countdown Special: Eclipso #1
Publisher: DC Comics
Cover date: May, 2008
Artist: Ryan Sook

Before & After: O.M.A.C. #1

Title: O.M.A.C. #1 Solicitation	Title: O.M.A.C. #1
Publisher: DC Comics	Publisher: DC Comics
Cover date: 2011	Cover date: 2011
Artist: Keith Giffen	Artist: Keith Giffen

Related: O.M.A.C. #5 - Frankenstein, Agent of S.H.A.D.E # 5

Title: O.M.A.C. #5	Title: Frankenstein, Agent of S.H.A.D.E #5
Publisher: DC Comics	Publisher: DC Comics
Cover date: 2012	Cover date: 2012
Artist: Keith Giffen	Artist: J.G. Jones