Have you ever made a walk through the settings? It's helpful if you like to solve problems by yourself ;-)
You can set the backgound colour for cuts...
All the comments here are good and will make the text in images show up much better. I've found that with a combination of Gamma Correction (Image >...
I have TIFF files which are created by others. They are black and white.
When viewed in Irfanview, many of them show inverted colours, white text on...