How to remove Windows start button?

hdmi said:

That's only because your taskbar background uses no texture nor uses an opacity level smaller than 1 so it matches. Otherwise the difference between the taskbar background and the solid background in your .png image would destroy the look.

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QuicktellPro said:

It's a .bmp image. I masked everything outside of the alien head and then filled it with the same colour as my taskbar.

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hdmi said:

Mine uses background transparency and a background texture.

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