As you may know, BIRT Exchange did a plug-in contest that had many great entries. In an effort to include more community members who might not have the know how to create a plug-in, BIRT Exchange started another contest on using styles for reports. There's still a couple weeks left to enter, and I'm looking forward to looking at some cool style ideas! The top 3 entries will win a Kindle Fire.
For more information on the contest, take a look at this [url=http://www.birt-exchange.org/org/forum/index.php/blog/10/entry-342-announcing-birt-style-contest/]blog post[/url], the [url=http://www.birt-exchange.org/org/wiki/index.php?title=BIRT_Style_Contest_Details_and_Examples]contest details and examples[/url], and [url=http://www.actuate.com/download/BIRT_Style_Contest_Rules.pdf]the contest rules[/url]. Be sure to check out the [url=http://www.birt-exchange.org/org/devshare/designing-birt-reports/1454-simple-birt-css-style-sheet-example/]example[/url] if you aren't very familiar with styles or if your idea has to do with switching style sheets at runtime, and you don't know how. Also, feel free to ask any questions you might have, in the forums. Good luck!