But, I do want to share with you one of my passions- the retro/vintage posters...
I love old commercials and posters. There's something so naive and innocent about them, and yet- you can find a lot of humor in them. Here are several examples you can find on art.co.uk (I especially love the witty ones):
Here's a fellow ETSYian, "Gemini Studio", whose posters I like a lot:
I could have shown you so many others, but I hope I've made you want to look for them by yourselves...