A quick google search returned this page for some higher-res ewok cd covers. It isn’t the ‘official bootleg CD’ (if that’s not a contradiction) artwork, but looks like a fanmade alternative.

EDIT: Update - a slightly harder google search found this rather good Rare Soundtracks site - if you look in the cd covers section, then follow the John Williams link you’ll find these quality scans of the proper cd artwork:

The rest of the site is worth checking out too…