Sharing your tips with me! Please?!

Luke is getting himself organised to hang this wallpaper. I received some fabulous advice from Mel's Rose Place ; "One thing i found with the glue is that it stays wet for a LONG time so there is no rush in getting it all up quickly. Think that is where i went a bit wrong in that i tried to rush it believing that the glue was about to dry. Mine was a powder that you mixed up into a glue , like a