Caption wanted: Heads or Tails or show and tell

Thought these photos were interesting enough for it's own post... Apologies but I have no idea where they came from.... but would have enjoyed taking the pictures...

Heads: a FUN CLASS PHOTO

TAILS; A reunion of the Sunday bonnet temperance society

my kind of gym!!!!

Can you give a suitable caption for either or both, or all three??????
But if you are not in the mood, here is the normal presentation

 followed by