I have ripped the Gkar DVDs to ISO with ImgBurn and I get these checksums (sfv format with CRC32):
; Generated by WIN-SFV32 v1.0
; (Compatible: Total Commander 7.55a)
SW_ANH_SE97_DE_EN_GKar.ISO B2F9F831
SW_ESB_SE97_DE_EN_GKar.ISO 0D4866CB
SW_ROTJ_SE97_DE_EN_GKar.ISO 616C7099
File sizes are:
SW_ANH_SE97_DE_EN_GKar.ISO Size: 3.986.489.344 byte
SW_ESB_SE97_DE_EN_GKar.ISO Size: 3.956.375.552 byte
SW_ROTJ_SE97_DE_EN_GKar.ISO Size: 4.614.815.744 byte
If anyone can confirm these I will upload a torrent to myspleen. I skimmed through the DVDs and I didn't see any errors. ImgBurn also reported no CRC or reading errors.