Looks like a crap shoot to me. Their photos seem to have been comingled.

Both appear in Vol. 10 of the Photographic History of the Civil War. Hindman on page 268, but it is a pre-war shot and not definitive.

Frazer's is on page 275 and difficult to tell.

Good luck

http://en.wikipedia.org/wiki/John_W._Frazer
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=10867
http://www.csadealer.com/files/ASDFEB10.pdf

http://en.wikipedia.org/wiki/Thomas_C._Hindman
http://www.civilwar.org/education/history/biographies/thomas-carmichael-hindman.html
http://www.ozarkscivilwar.org/archives/4748
http://www.encyclopediaofarkansas.net/encyclopedia/entry-detail.aspx?entryID=1672#
http://arkansastoothpick.com/2008/11/civil-war-generalspatrick-r-cleburne/
http://bullyforbragg.blogspot.com/2008/06/general-thomas-c-hindman-and-rep-henry.html