_CustomVisualizerTex: The texture to display in the secondary visualizer box in the UI Overlay (useful for seeing how your textures look with the effects).
Show Custom Texture Visualizer
_ShowCustomVisualizer: Toggles the visibility of this specific visualizer in the UI Overlay.
Visualizer Pixel Density
_CustomVisualizerPixelDensity: Controls the pixelation level applied *specifically* to the texture shown in the Custom Visualizer box.