Simply unzip "varinvert.zip" and copy "varinvert.8bf" to your "\Photoshop\Plug-Ins\" folder, or whichever plugin folder your host program uses. Load your program, open an image, go to the plugins menu and select the plugin.
This filter will variably invert color channels of an image.
[R,G,B] Amount: Controls the amount of Red, Green & Blue color invertion.
Output: Specifies which color channels to output.
Locks: Lock the Green & Blue amount channels to Red amount.
Reset: Resets all values to default.
Realtime: Applies all effects (in realtime) on 'mouse drag' instead of on 'mouse release'.
1.0 - Preview no longer flickers on button / slider adjustment.
1.0 - Ability to use up to 3 GB of RAM under 32bit Windows (2000, XP, Vista) and 4 GB of RAM under 64bit Windows (2000, XP, Vista).