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Wikipedia:Manual of Style/Images states, ""Lead images should usually be no wider than ""upright=1.35"" (displays at 300px based on the default thumbnail width of 220px, but may appear larger or smaller based on settings in preferences),"" so the notion you state above ""MOS/Images notes that sizes should not be fixed generally, and not at a size greater than default"" does not pertain to lead images as a firm rule. 1000 "