You can find a bunch of other prebuilt LightProbes here:
Thumbnails here:
And this is the code I’d use to load one of those probes:
Spatial probeHolder = getApplication().getAssetManager().loadModel(probeName);
LightProbe probe = (LightProbe)probeHolder.getLocalLightList().get(0);
probe.setPosition(Vector3f.ZERO);
probeHolder.removeLight(probe);
rootNode.addLight(probe);