I've updated my portfolio.
Instead of about five different styles, I only now have two. I realised from looking at others' portfolios, that the ones that stick in your mind are the ones where there is a clear overall style. Mine was just a mishmash, and therefore completely unmemorable. Not helped by the fact that the AoI portfolios display your pictures in a random order >:-(
Of course, I need to get a proper website of my own. Then I can have multiple portfolios, and show a variety of styles in a clear way. That's my next task, once my current projects are finished.