Use CBR for your personal backups of albums you already own physically. Use Izneo or your library for new acquisitions . And if you do download a fan-made scan, consider sending a few dollars to the copyright holders to keep Jolly Jumper galloping for the next generation.
The search for a is a journey every fan makes eventually. The desire is understandable: you want to read "The Daltons in the Blizzard" at 30,000 feet or revisit "The Tenderfoot" without pulling a dusty album off a shelf.
: A standard format that is widely accessible but may not offer the same specialized reading features as CBR/CBZ. Where to Find Lucky Luke Comics