He's pretty much nailed it here, Grasor. I use rattle cans (mostly Dupli- Color) on all my models. If you go that route, always use an automotive grade primer so you don't craze the plastic. For body work, use a two- part auto body filler such as Bondo. For more info, Bill "Mr. Obsessive" Geary has a great tutorial ongoing in the "On the workbench" section of the forum, where he's building a '49 Mercury and showing how to do things step by step. Even I've learned new stuff from it. Good luck and welcome to the loony bin.