The photos detail the In-Delimane assault earlier this month which left over 50 Malian soldiers dead.
In addition to the prison break, JNIM also claimed two other recent attacks in Mali and Burkina Faso.
For the first time in five years, the jihadist group has claimed an attack in its native Iraq.
If confirmed, this would represent another major blow to al Qaeda’s Uqba bin Nafi Battalion.
The US military launched its second airstrike against the Islamic state near the town of Murzuq in the past week.
The camp is at least the second one ran by the Islamic State in Somalia’s northern Puntland region.
Both groups have claimed deadly assaults in Burkina Faso, playing into the already perilous security situation in the country.
The Taliban has warned civilians to stay away from places near government facilitates, including election sites, as it says these targets are fair game. However, given the scarcity of medical facilities, it is impossible for Afghan civilians to avoid hospitals such as the one in Qalat.