[bug] Stop squimpshing the thumb'd nails

src/thumbnailing.rs

@@ -17,7 +17,7 @@ pub fn thumbnail(bytes: &[u8]) -> ImageResult<(Option<WebPMemory>, u32, u32, Web
 	let scaled = if new_dimm < 400 {
 		cropped
 	} else {
-		original_image.thumbnail_exact(400, 400)
+		cropped.thumbnail_exact(400, 400)
 	}.into_rgba8();
 	let scale = scaled.width();