As I am unable to house a air compressor,my limit was spray cans which do work out expensive,this is why i am using paint with roller,decals & pressure pack clear cans. The decals use less ink than normal,the undercoats,paint go a lot further for your dollar,and the decal paper are quite ecoomical compared to photo paper (Found this to be cheapest http://www.thecopiercompany.com.au/products.asp?id=127.
kev