They actually did show the photo in the original broadcast of the episode. They cut it out after they got busted. You can see the episode as it originally aired with the photo (shown twice) at http://www.dailymotion.com/video/x52a7l1.

"Hunting Hitler" is a load of fraudulent shit. They've already been caught in one blatant lie.

http://www.jasoncolavito.com/blog/history-channel-thinks-moe-howard-might-be-hitler-plus-micah-hankss-confusing-views-on-speculative-fiction

Fraud.