2 Sep
2006
How to Convert Color Digital Images into Black and White Ones:
Darren shares a number of techniques for converting a colour photo to B&W. As with many things, there's a numbers of ways of going about this – some better for some circumstances than others.
Personally, I like to play with all of them, and learn how the results differ – then I can figure out which methods are better to use for different circumstances.
Tracy Esau
9 Apr 2008
This article contains very good information for converting pictures