Hi there neighbour. I'm posting from Sabah, East Malaysia.
New to this forum eh? Well you can get tons of info regarding to what you're looking for. For tips, I use this forum to get what I wanted. Dry brushing and washes are different. Dry brushing is used to highlight the details on your models like rivets, wiring and other protruding parts of the models. While washes are used to highlight panel lines...and many others. Washes and dry brushing are effective way to give 'in use' or worn look of the model. Application... read fsm you'll get loads of example on weathering. Hemmm... 12 years, your experience should tell you about this. If not ...experiment is good to improve your skills.