i always use a compressor with a reservoir as it runs less that way, that compressor will be running all the time your spraying,its the cfm that matters most though,and as for blade if i remember rite it a number 10 blade its a long pointy one
blades
http://="http://cgi.ebay.co.uk/Swann...294%3A50"]link or
link
compressor
http://www.everythingairbrush.com/ac...AB_AS_186.html or
link something along those lines