i have had success with krylon out of the can on vinyl - through an airbrush. just spray it into a cup and pour it into your airbrush cup. regular krylon, not the plastic adhesion stuff. it's pretty agressive paint. then clear over it with frog juice. it works nice. have done vehicle graphics that held up pretty damn long. even some hood graphics. i have had much success with house of colors urethane striping enamel thinned down and sprayed through an airbrush. it is really nice paint with great coverage. a little catalyst in there and it dries pretty quick, so under some conditions you may want to use a retarder.there again , clear with frog juice. watch you dont apply too much paint material -just enough to get the desired effect.