Try using a spong next time it gives these little and random marks for weathering . Not that it works any better than what you've done because it's wonderfully painted. But the small chips can look sometimes more subtle . A little sometimes goes a long way. Look at my gallery as well as other guys you can get an idea how to really make chips all kinds a way.my imperial fists centurion it gives ideas sometimes looking at things instead of me explaining. But this is really well done. Scorning is subjective on here never tell who's pushing the buttons .