In the glee club photo caption, Puck's first name is given as "Nathan". Puck's first name is "Noah". Tina's name is shown as "Tina C." and Brittany's last name is not shown.
Matthew Morrison's mark (red x) is clearly visible between his feet, when he drops the mattress on the floor in his office.
Rachel tells Figgins it's her first year in glee club, but previously she had said she was in Sandy Ryerson's glee club.