You could always crop it to jsut the 1x version. In any case, since you're apparently still working on it (you postd it in the WIP forum), it's probably too early to submit it to the gallery anyway.
You don't need to include pre-zoomed versions, PJ has a zoom feature. Without the zoomed versions, your whole sprite could fit as the whole submission, you don't even need a detail image.
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You could always crop it to jsut the 1x version. In any case, since you're apparently still working on it (you postd it in the WIP forum), it's probably too early to submit it to the gallery anyway.