3 of your previews are downsized pixel-art: this can never ever work. Please fix them, either by cropping out a part of the main view, or some other creative way ;)
On the other hand, there is no need to post upscaled art as the main view, as there is a built-in zoom feature.
This particular piece looks like it has been enlarged x3 from an original that was likely smaller than 100x100, which makes both issues quite puzzling.
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3 of your previews are downsized pixel-art: this can never ever work. Please fix them, either by cropping out a part of the main view, or some other creative way ;)
On the other hand, there is no need to post upscaled art as the main view, as there is a built-in zoom feature.
This particular piece looks like it has been enlarged x3 from an original that was likely smaller than 100x100, which makes both issues quite puzzling.