name the layer effect
This script makes the accumulative layer effect which enhances images of sky and water.
Download the scripts. These layer effects work with decomposition layers.
def layer_effect_accumulative(image, drawable): layer_blue = pdb.python_fu_decompose_layer_blue(image, drawable) pdb.gimp_layer_set_mode(layer_blue, OVERLAY_MODE) pdb.gimp_equalize(layer_blue, False)