Personally I don't like having a stack with one side against a building. An end would not be such a big deal, but you run the risk of some of the lumber not drying as evenly.
Nick whack of logs there. On the one in the middle of the front row it looks like the top branch is shaped like a heart. If that is the case I would be tempted to get cookies out of that - have them nice and dry in time for Valentines day $$$