I will check that and in shaa Allah, I will help you
just one thing...put in your mind that you are dealing with young learners... your idea in using photos is really great...hope your sts have the ability to speak, if so let them to talk because young learners have some instincts born with such talking about themselves, drawing etc... as Haliwell (1992) say.
Also, look at some naughty sts with different face if you feel that he/she making noise يعني العين الحمراء مطلوبة dont shout... smile ask them from time to another about their names.. give them more time in thinking
شو اخرتي dont even worry you will like it