The exhibition in Karachi runs through the end of June.
Civilians who once sympathised with the Taliban have developed a hatred for the militants after they killed people in horrible ways, observers say.
Additional police have been deployed in urban centres and entry points to Peshawar, officials say.
For many residents who languished in TDP (temporarily displaced person) camps, this will be their first Eid at home in three years.
The explosion targeted a police vehicle, killing police and civilians, on the last Friday of Ramadan.
Nighttime cricket, volleyball and football tournaments draw in youth of diverse sects and ethnicities and have become a pillar of Ramadan traditions.