Mike, I found a few links with photos for you:
http://www.wwiivehicles.com/html/usa/m4_sherman_photos.html
http://www.coax.net/people/lwf/ww2.htm
http://www.talkingproud.us/HistoryBlackPanthers.html
Hope this helps.
"There's no problem that can't be solved with a suitable application of high explosives"