Also, when I change icon packages, half the icons don't even change. They are still the same ones from the privious package.
If a package had X amount of icons, and you switch to a package that only has D amount of icons it will leave the missing icons in the last state they were in with the previous package.
To change this, open IP config window/ settings/ check the "restore all icons before loading a new package", radio box. this will reset all icons back to defaults and allow the package being applied to change the ones it can..