When I have been thinking in thumbnails/prelim drawings and color studies for too long, I like to just sit down with a couple reference photos from my library as inspiration and do a little free-form oil sketching for an hour or two. One of my favorite things to do is just make a little portrait of someone pretty. Some of them turn out terrible, some of them turn out ok and sometimes I really like them and end up seeing something I can take furthur. I would like to accumulate a good-sized series of these to show at some point. But for now, here is one of my recent favorites:
Oil on Panel
5" x 5"