Just found a couple different blogs that have reinterpretations of classic comic covers. There are a few stellar ones that I like more than the original.
Phineas X. Jones covers Usagi Yojimbo 36
Original cover by Stan Sakai; Fantagraphics 1992. Phineas X. Jones's website is here.
Kori Michele Handwerker covers Batman: The Dark Knight
David Hartman covers Casper the Friendly Ghost 41
Original artist is unknown; Harvey Comics 1956. David Hartman's website is here.
Jimmy Wallin covers Four Color 173
Casey Camp covers Funny Misshapen Body
Original cover by Jeffrey Brown; Touchstone 2009. Casey Camp does not have a website.
Mike Loveland covers The Daily Howl
Steve Tillotson covers Peanuts
Valerie Fletcher covers The Complete Peanuts 1969 - 1970
Original cover drawn by Charles Schultz and designed by Seth; Fantagraphics 2008. Valerie Fletcher's website is here.
Rusty Shackles covers Red Sonja 1
Isaac Bidwell repanels Stan Sakai's Usagi Yojimbo #14
Original by Stan Sakai; 1989 Fantagraphics Books. Isaac Bidwell's site is here.
Michael Walsh repanels Detective Comics #29
There is also a new blog that does the same revisioning but with Pulp books. Though, it has only recently started, so I may have to check back on it after it gets a few more postings up.