A combustor for a turbine engine, comprising: a first liner having a first hot side and a first cold side; a second liner having a second hot side and a second cold side, the second hot side and the first hot side forming a combustion chamber therebetween, the combustion chamber configured to receive an air-fuel mixture for combustion therein; and an insert comprising a body portion extending through the first liner and terminating at a tip, the body portion being generally tubular and configured to direct a jet of air flow into the combustion chamber, the insert further including a cooling hole defined in the body portion configured to direct a first portion of the jet of air flow toward the tip as cooling air. wherein the body portion has an interior surface and an exterior surface, the cooling hole extending from the interior surface to the exterior surface, and wherein the tubular body portion has a longitudional axis and wherein the first liner is a single walled liner characterized in that; - the body portion includes an inlet portion opposite the tip, the inlet portion being flared to guide air into the insert, - the cooling hole is at least partially defined in the exterior surface of the body portion at the tip, - the cooling hole extends from an inlet on the interior surface to an outlet on the exterior surface at an angle; and - the angle is being defined at the outlet relative to the external surface. a first liner having a first hot side and a first cold side; a second liner having a second hot side and a second cold side, the second hot side and the first hot side forming a combustion chamber therebetween, the combustion chamber configured to receive an air-fuel mixture for combustion therein; and an insert comprising a body portion extending through the first liner and terminating at a tip, the body portion being generally tubular and configured to direct a jet of air flow into the combustion chamber, the insert further including a cooling hole defined in the body portion configured to direct a first portion of the jet of air flow toward the tip as cooling air. wherein the body portion has an interior surface and an exterior surface, the cooling hole extending from the interior surface to the exterior surface, and wherein the tubular body portion has a longitudional axis and wherein the first liner is a single walled liner characterized in that; - the body portion includes an inlet portion opposite the tip, the inlet portion being flared to guide air into the insert, - the cooling hole is at least partially defined in the exterior surface of the body portion at the tip, - the cooling hole extends from an inlet on the interior surface to an outlet on the exterior surface at an angle; and - the angle is being defined at the outlet relative to the external surface. - the body portion includes an inlet portion opposite the tip, the inlet portion being flared to guide air into the insert, - the cooling hole is at least partially defined in the exterior surface of the body portion at the tip, - the cooling hole extends from an inlet on the interior surface to an outlet on the exterior surface at an angle; and - the angle is being defined at the outlet relative to the external surface.