Cascading Colours : My first WordPress theme

Cascading Colours is my first Wordpres theme for public release. More information can be found about it at http://www.briterwebdesign.com/blog/cascading-colours-wordpress-theme. It is licensed under the Creative Commons Attribution-Non-Commercial-Share Alike 2.5 Australia License.

A preview can be found at http://www.briterwebdesign.com/blog/index.php?wptheme=Cascading+Colours.

Please tell me what you think of it and any improvements that I could make! Thanks in advance.