Have updated the OP with artwork links, but here they are again for those interested.
Artwork pack (by stardork, adapted from Phildesfr)
https://mega.nz/#F!ac42iZDK!J8GqOJcy8iWvltcnu0Yg8Q
Variant Disc labels (by njvc, adapted from Phildesfr)
https://mega.nz/#F!WNQRjKrK!TPMCfmX6-i89akmqPGQvuw
Variant Booklet covers with doco/fanedit info (by njvc, adapted from Phildesfr)
https://mega.nz/#F!XIgRVZJZ!XWKOrhLlX7NX0sP1iHcawQ