1. Do you have to still meet the requirements on the next sector if you advance with a Battle Cry Bonus (courage, specialist sacrified, etc.), even if you don't spend those resources (as with the Whistle)?
2. Can the Combat Photographer (or the dispatch case) copy any Final Tally with virtual extra dice, or just the 6 physical dice rolled? In other words, may I make a combo with the Photographer and some Awards, in order to copy 9 dice or more, for instance?
No. The Battle Cry lets you ignore all the requirements for moving into a sector. The only thing it doesn't let you do is skip over landmines.
The combat photographer only copies the six dice originally rolled. From those you can get RWB bonuses. You just can't combine the virtual results.