Opus X or God of fire, those are medium-full or even full bodied Fuentes.
Difference in wrappers is taste, In my experiences.....
Candela's (green) and taste like IMO green tea
Maduros (Dark) and tend to have darker stronger flavors (coffee, chocolate, heavy leather.....spice)
Cello is merely a preference, it's up to you. It doesn't matter either way.
Size and shapes of cigars are preference. You'll find your own in a few months.
It could possibly be a pain in the dick, post a link to the one you bought. Then look into coolidors, simple, pick your own size and lots of storage.
Look into humidity beads,
www.heartfeltindustries.com is who most people use.