Wow, thats a lot of colours *gasp*. Hokay then a few things you can improve on...
The large use of colours, just take one colour and go for different shades of it. Never mix your colours too much unless you really know what your doing. It can make it look really horrid. On the other hand you could do it perfectly and get it to look like
Pixel2Life. It's safest to just stick to shades of colour.
Along with quite a few people, you have a tendancy to make things BIG. The text is huge, the rounded corners are huge, the content boxes are huge. Get my point? Try and make things smaller, or more to the point, the borders and space inbetween smaller. This is a hard concept to explain, ermm yea. I would never go above 10px radius for the rounded corners (perhaps 15 if you have to).
Another thing, the navigation. I would highly recommend not using images for navigation. It will help you in the long run, and will cut down on the amount of images used in your site.
And remove those darn "sample" watermarks. They just completly **** up the look of the layout. I shouldn't think anyone will go and "rip your layout". Not because of what it is, just because they haven't got the time nor the will power.
Apart from that, I love the little black circly bits on the footer :biggrin: