Help achieving a retro "old school" technique/style traditionally and or digitally I don't know where to start but I've always wanted to know how to get that old school look like the ads back in the day. I know they used watercolor for doing pin up photo references of actual models. How do I...

Hey, I'm brand new to this forum; I just wanted to find a place to post this question and hear real-world opinions. This certainly seemed like a good place to start. I'm really sorry if this is very long. I want to explain my situation completely. I am currently a senior in high school, and I...