Air Brush Pens

What was the color of the image?
http://birthday-caricatures.com/images/fine_art/women/sweet_sixteen_caricatures.jpg http://birthday-caricatures.com/images/celebrities/celebrity_caricature_whoopie.jpg children/bar_mitzvah_sign_in_boards_01.jpg http://birthday-caricatures.com/images/fine_art/ http://birthday-caricatures.com/images/fine_art/children/business_cards_caricature_sample.jpg http://birthday-caricatures http://birthday-caricatures.com/images/fine_art/groups/order_christmas_card_lg.jpg. com / images / portraits / woman_portrait_large.jpg Theres more Here: http://birthday-caricatures.com/index.html But I wondered if this Air Brush? and output (black lines) use what? pen? because, as the face and stuff, and where can I get something like that? this store? And if he can not? I want to color my drawings in this way!
This is the Airbrush and use pencil drawing and broad dissemination of their lead with a finger to make it smooth.
Setting up the Wacom Intous 4 Airbrush Pen Tool