This may be a known issue, but if not I thought I’d just mention it.
REPORT-ESB-v2.0
00:15:11
The first time the Snow Speeders appear you can see through them to the mountains behind.Anyway, thank you Harmy for your amazing work.
That’s how it is. In order to avoid matte lines (the black outline around objects in optical compositing) that would be apparent in the white Hoth scenes, the speeders were made semi transparent.