I don't know what it is about pin up art but I'm a big fan. Here are two images: pin up, also cheesy cover art for cheesy magazines of the day, lol.
Pin up is classic, vintage, retro, all that good stuff, but there are also artists who are currently painting pin up art images, like this one:
which just happens to be painted by my husband James Rich. You can see more of his images here at Yessy.com, and on his blog, James Rich Studio. I know, shameless promotion, but seriously, I really do love pin up art!
The Brink of Sleep, by James Rich