Can someone please advise me on special and unique themes for FF 2.0?
the classic one is very boring..!

thanks

I love the default theme for 1.5! :D
The theme for 2.0 is little "not-my-type".
Here's four themes for FF 2.0, found on Mozilla.
https://addons.mozilla.org/search.php?app=firefox&q=theme+for+firefox+2.0&cat=theme

Here.

https://addons.mozilla.org/firefox/1439/

https://addons.mozilla.org/firefox/2678/

https://addons.mozilla.org/firefox/3471/

https://addons.mozilla.org/firefox/72/

There are tons more.