This are debian packages for Alloy theme:
http://kde-look.org/content/show.php?content=10605
To install it on your Debian box go to:

http://debian.neo.pl/

and follow the instruction. Then, to install the package type:

apt-get install kwin-style-alloy

Or use dselect (or other frontend) and browse my repository for other KDE themes, splashes and goodies...

Enjoy