>/ Where should I submit it ?
/
i would suggest via;
http://www.k3b.org/
possibly by submitting a bug and joining mailing list shown on page;
http://k3b.plainblack.com/support
A new website will get out after the 2.0 release, you can see a preview
here:
http://k3b.sourceforge.net/
and the current mailing list is here:
https://mail.kde.org/mailman/listinfo/k3b
Regards,
Diego