I was searching and i found a selection of WW1 photos in rapidshare.Copy this link into a new browser and download as a free user.And unzip with winrar or winzip.There is no password.
The photos are of soldiers,civilians and buildings.
http://rapidshare.com/files/233360814/W ... 4w.com.rar
i also found these ww2 photos
http://rapidshare.com/files/233366107/W ... 4w.com.rar