I also finished a small bag that I've been fiddling with. I saw the picture on http://www.sewnews.com/ a while ago. I can't link to the page as their search engine is down, but here is an image I downloaded:
The design is based on a US lunchbag. I made mine without referring to the original photo and was surprised at how different is. I made mine to carry the bare necessities after I failed to find a make-up bag small enough for my handbag!