Not a real plugin but brushes can be very helpfull for camouflage / weathering effects. Just google "weathering brush" and how to install them (most brushes created for photoshop should work in gimp as well).
Not a real plugin but brushes can be very helpfull for camouflage / weathering effects. Just google "weathering brush" and how to install them (most brushes created for photoshop should work in gimp as well).