![1](drex_bullet_1.png) Colors
Select the number of colors used by the GIF image.
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![2](drex_bullet_2.png) Dithering
Select this option to use dithering when generating the GIF image. This makes some images look better.
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![3](drex_bullet_3.png) Transparent background
Select this option to generate the GIF image with transparent background.
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