As hinted at
here and
here, and announced officially and specifically
here, there are a few new spells that have their own new icons.
If you use a colored icon override, or if you might later, or if you just have a hankering for three fancy colored icons for some reason, there are colorized versions of the new icons attached to this post for your downloading pleasure.
Just to be clear,
you do not need these icons. The icons in the default color are already in there and ready to go. These are 100% optional.
To use these, just save them to your override folder in your NWN directory. I'm pretty sure they work. They worked when I tested them a while back, anyway. If they don't, let me know.