Day 8:Favorite formal photo. Although I must say that I love all their 1914 formals if I must chose only one I'd pick the next:
Day 9: Favorite photo of Alexei
Day 10: Favorite past Romanov. I think that this must be between Peter the Great (for the same reason mentioned by Clockwork girl) and also AII (the emancipation of serfs). I feel much interest also for Catherine the Great but she's not my fave.
Day 11: My favorite Emperor is Alexander II (I admire him as Emperor but don't like his personal life), I don't have a real favorite Empress, I'm interested in all the empresses of the 19th century. Perhaps Elizaveta Alexeievna (she was a great and tragic beauty) or Empress Marie Feodorovna -Dagmar of Denmark- (she did a good role as consort empress, IMO).