I've been poring over anything I can find to help me with this, but I haven't found anything thus far that makes much sense to me. I'm about to pull out my hair!.. more.
I'd like to be able to show only my most recent post in full, followed by excerpts of my older posts with thumbnails. A good example of what I'd like mine to look like is:
My site is The Stylist Quo and I'm using a child theme.