I think the mirrors only showed images of people that were still viable candidates.
Especially since most of the failed Candidates (with the exception of Ben, who was banished) are dead.
This episode made me wonder all the more about who Christian is. If the MiB cannot leave the Island, then he can’t be Christian (Jack saw him at the hospital). The producers have stated that Jacob can’t change shapes, so he can’t be Christian either. So who is this dude that claims to speak for Jacob, can time travel, move through solid ground, can survive tremendous C4 explosion and can talk to dogs, but is unable to help a man with a broken leg stand up? He seems to do work for both Jacob (bringing Jack back to the island) and for the MiB (setting up Locke’s death). He seems to have the abilities of a ghost, but is also able to appear to people who can’t see dead people. If he was brought back to life by either Jacob or the MiB, they gave him some pretty cool powers when they did.
Springtime for Spacers:
But Jacob touched Jack at the hospital, not at his childhood home. Jack saw his childhood home in the mirror.
It could be that the appearances of Christian we’ve seen are not all the same thing. There seem to be several different types of these appearances. The smoke monster can take the form of people; there are appearances like Claire appearing to Kate and Christian appearing to Jack; Hurley sees dead people, etc.
There’s definitely way more rules to who Smokie can appear as than we are aware. Him now being locked in Locke is significant but we’re going to have to wait until Illana or someone spills the beans on why.
And there are definitely real ghosts: I don’t think Christian or Charlie off-island were the MiB. And then there also apparitions of people who AREN’T dead, most notably, Walt. OR maybe Dave, who never existed in the first place, yet wears slippers. Then there is Kate’s freakin horse and Sayid’s freakin cat.
Unlikely possibility. The crossed out Linus was Ben’s dad, Roger. He’s dead.
Nah. If he was a candidate for ANYTHING, the island is better off at the bottom of the sea.
That one is gonna confuse a LOT of people! 
Two other throughts:
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I now think Christian and MiB are seperate entities. I think Christian is Darth Maul to MiB’s Palpatine.
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People keep saying the alternative timeline is life without Jacob manipulating people. For some reason, I think the island at the bottom of the sea will turn out to be the result Jacob is seeking. That ends the cycle. It would be interesting if Jacob is not the good guy, but I think he will be. Or that neither is good nor bad.
What’s on Hurley’s arm is what Hurley himself wrote with regards to helping him remember. Whereas remembering a specific number needs noting, lighting the signal fire doesn’t really. Hurley isn’t the only one Jacob has told that someone is coming to the island. So I think that really is happening. Jacob also told Hurley that he wanted them away from the Temple. Just as their hike being to get away from the Temple doesn’t invalidate the hike being about Jack seeing the mirrors, Jack seeing the mirrors being a reason doesn’t invalidate setting up the signal as a reason. More so, because Jacob instructed them to set it at 108, and not 23, the actual number that shows Jack’s house. And because, there was no way for Jacob to know Jack would actually smash the mirrors - if he hadn’t, Hurley still would have set up the signal and there’d be a big beam shining off the island for no reason…
That’s only if we assume it’s a name. Actually Jacob can’t have told Hurley who is coming to the island, because we see them have a conversation about it, in which it is readily apparent that Hurely doesn’t know the identity of whoever is coming to the island.
Most likely the word is “aim” or “align” or “arrow”.
Jack is the only other candidate at the Temple. Jin and Kate and Sawyer left. Miles is crossed out. Sayid is infected. That leaves only Hurley and Jack.
Either it only shows active candidates, or it was an editing device to make it easier to see for the viewer.
Could be more than one Christian. MIB-Christian, ghost-Christian, and vision-Christian. I think I’ve heard that appearances by him have been in one of two different distinctive outfits.
This reminds me of something. There is great evidence that the creators had a game plan from day one that has nothing to do with Adam and Eve.
Christian is wearing sneakers with his suit the first time Jack follows him into the woods (where he finds the caves).
It wasn’t until many seasons later that we learn that Jack bought him cheap shoes. Why else would they have had him wearing sneakers?
I think that the lighthouse mirrors were fixed on points in time as well as space and Jacob used it to travel off of the island whick is not something Shmoky McSmokerson can do. I also thisnk that the lighthouse incident leads credence to my theory that Jack will be the new Jacob
When Jack is looking at his appendectomy scar, he’s looking at his left side. Your appendix is on the right.
Which would make sense if the shot was of the mirror, not Jack – but it’s not clear exactly which we’re looking at. Anyone else notice this?
The shot is of Jack in the mirror. So the scar is on his right side.
when we see the temple in the mirror,
who is the canidate that this view corresponds to?
I didn’t think it was the Temple. I thought it was Korean architecture, signifying Sun/Jin.
He also seemed to be stopped by that one certain type of tree. They used to run into them to hide from him in earlier seasons.
Banyan trees. Someone last week suspected the ash that stops him is ground banyan ash.
We saw Jack’s childhood home, the church from Sawyer’s parent’s funeral, and the Korean temple where Jin and Sun were married.
I always got the impression it was just too small of a space for the smoke monster to coalesce fully. Of course we’ve seen it squeeze through smaller spaces under the temple, but not while grabbing, bashing, or memory flashing…