It's very good visually, and you seem to have a solid portfolio!
As already said it's very hard to judge on such small screenshots, so either bigger screens or a unfinnished swf-file would be good =)
Also, one thing you should concider when making a portfolio is that you aren't making a website. Your design seems very busy and almost distracts from your work, when it should emphasise it. Also the swirly font you've used seems abit "too much" for a portfolio, keep it clean
Personally I'm not a big fan of flashportfolios, although this isn't an absolute.