Here is a good site that will give you all the left nuts comparing Bush with Nazi's. I'm sure the list is not complete.

If you go to the site you can read the quotes.
http://semiskimmed.net/bushhitler.htmlArtists, writers, singers, poets etc
Harold Pinter. Corin Redgrave. Ted Rall. Annoy.com. Jay Baker.
Aaron McGruder. Linda Ronstadt. Rex Curry. Michael Bramante.
Commentators, columnists and pundits
Scott Ritter. Harvey Wasserman. Thomas Walkom of the Toronto Star. Neil Clark. Dave Lindorff.
Paul Street. Samir Amin. Iver Bogen. Yamin Zakaria. David R. Hoffman (Legal Editor of PRAVDA).
Federico Fasano Mertens, editor of La Republica del Uruguay. Wayne Madsen. Dennis Kaiser.
Prashant Bhushan. Dr. Norman D. Livergood. Samir Hussain and Pranjal Tiwari.
The Daily Collegian's Donaldson and Gonzalez. At OpEd News: Rob Kall and Robert Thompson.
Bob Fitrakis. Hugh Pearson. Bill Burkett.
Carl Doerner. Adam Engel. Thom Hartmann. Michael Berglin.
John Pilger. Allen Snyder. Lilian Friedberg
Political campaigners, campaigning organisations
MoveOn.Org. Ken O'Keefe. Edward Jayne. PeaceAware.
Assorted demonstrators, 20th March 2004. Protestors in Greece, 2003.
Take Back The Media. Rev James Love. A Voice for Freedom. Axis of Logic.
georgewalkerbush.net. Human Rights Action. Flying Fish. What Really Happened.
Assorted demonstrators, March and November 2003.
One T-Shirt vendor among many. Unknown News. George Soros. Another T-Shirt vendor.
World Socialist Web Site.
Politicians
John Valder. Fidel Castro. Government of North Korea. Iran's Ayatollah Khamenei.
Fringe
oilempire.us. Ireland's OWN. Fallout Shelter News. NoGW.com ("no George W").
The Public Cause Network. Biblebelievers.org.au.