It might be a hand tinted black an white photograpy. Popular before the introduction of colour film and even still done to this day..
History at Google books...
The Focal Encyclopedia of Photography - Google Book Search
More here..
Hand-colouring - Wikipedia, the free encyclopedia
To post images upload them to a host like Imageshack.com and then posts a link here like this
Code:
[img] your link [/img]
Edit: Ok the problem is that your links aren't really links to the jpg but to a page with the jpg on. If you go to one and select the picture, right click -> properties then copy that URL it works as below..
-----Added 9/11/2008 at 04 : 37 : 39-----