I have not seen a request for this in the forum as yet, though I hope I'm not the only one who would find something like this useful.
In MS Paint for Windows 95 it had a selection option that it would ignore the current color that was selected as the secondary color (Background color). This made making sprite sheets faster. You could just select, and everything but the background was selected without having to go through several clicks with the magic wand in your paste of the selection. This way, when you did this all but background color selection, when you paste that color in the paste would be transparent.
They removed it from further versions of MS Paint it would seem.
I kindly ask that you add this as a feature for Paint.NET, as it is meant to replace MS Paint after all. If you have any questions about it, please feel free to ask me. I could send you some some screen shots.
Thank you for your time.
