Regarding the icon. I made some changes to the Ubuntu one and have posted it here. Feel free to use it.
http://www.gnome-look.org/content/show.php/Debian+Software+Center +Icon?content=118251 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
