Unless I am wrong, Your alliance rewards will be same for every member who is eligible after passing minimum requirements.For your solo once you become eligible for rank rewards you are cool.Not an expert of which rewards you will get.but I believe it's like SA rewards when it comes to alliance.
2.6 is pry 1-5%
2.6 is pry 1-5% Im glad to hear that but im not convinced, because of lvl 40 requirements and lot of useless account not being counted