You could do a younger and older member pic....and have a quiz on matching them
You could also do the best themed pet pic...such as dressing your pet (without distressing them) up in a theme like Halloween or Xmas....?
You could also do match the person to the home?
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1.1./. Amazing kids
0.1./. Gorgeous Malamute
0.1./. Beautiful Cat
0.5.0. Playful T.H.H / T.H.B
11 Tropical Fish
1 Bearded Lizard
Lots of Aspirin 
Before enlightenment - chop wood, carry water. After enlightenment - chop wood, carry water. ~Zen Buddhist Proverb